20165310100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{2389}}^1$

素因数の和:2610

約数の個数: 144

約数和(自身を含む): 48560364160

約数和(自身を除く): 28395054060

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 151, 172, 215, 260, 302, 325, 430, 559, 604, 650, 755, 860, 1075, 1118, 1300, 1510, 1963, 2150, 2236, 2389, 2795, 3020, 3775, 3926, 4300, 4778, 5590, 6493, 7550, 7852, 9556, 9815, 11180, 11945, 12986, 13975, 15100, 19630, 23890, 25972, 27950, 31057, 32465, 39260, 47780, 49075, 55900, 59725, 62114, 64930, 84409, 98150, 102727, 119450, 124228, 129860, 155285, 162325, 168818, 196300, 205454, 238900, 310570, 324650, 337636, 360739, 410908, 422045, 513635, 621140, 649300, 721478, 776425, 844090, 1027270, 1335451, 1442956, 1552850, 1688180, 1803695, 2054540, 2110225, 2568175, 2670902, 3105700, 3607390, 4220450, 4689607, 5136350, 5341804, 6677255, 7214780, 8440900, 9018475, 9379214, 10272700, 13354510, 15511777, 18036950, 18758428, 23448035, 26709020, 31023554, 33386275, 36073900, 46896070, 62047108, 66772550, 77558885, 93792140, 117240175, 133545100, 155117770, 201653101, 234480350, 310235540, 387794425, 403306202, 468960700, 775588850, 806612404, 1008265505, 1551177700, 2016531010, 4033062020, 5041327525, 10082655050, 20165310100]

約数ペア:

[(1, 20165310100), (2, 10082655050), (4, 5041327525), (5, 4033062020), (10, 2016531010), (13, 1551177700), (20, 1008265505), (25, 806612404), (26, 775588850), (43, 468960700), (50, 403306202), (52, 387794425), (65, 310235540), (86, 234480350), (100, 201653101), (130, 155117770), (151, 133545100), (172, 117240175), (215, 93792140), (260, 77558885), (302, 66772550), (325, 62047108), (430, 46896070), (559, 36073900), (604, 33386275), (650, 31023554), (755, 26709020), (860, 23448035), (1075, 18758428), (1118, 18036950), (1300, 15511777), (1510, 13354510), (1963, 10272700), (2150, 9379214), (2236, 9018475), (2389, 8440900), (2795, 7214780), (3020, 6677255), (3775, 5341804), (3926, 5136350), (4300, 4689607), (4778, 4220450), (5590, 3607390), (6493, 3105700), (7550, 2670902), (7852, 2568175), (9556, 2110225), (9815, 2054540), (11180, 1803695), (11945, 1688180), (12986, 1552850), (13975, 1442956), (15100, 1335451), (19630, 1027270), (23890, 844090), (25972, 776425), (27950, 721478), (31057, 649300), (32465, 621140), (39260, 513635), (47780, 422045), (49075, 410908), (55900, 360739), (59725, 337636), (62114, 324650), (64930, 310570), (84409, 238900), (98150, 205454), (102727, 196300), (119450, 168818), (124228, 162325), (129860, 155285)]