25985440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:103

約数の個数: 108

約数和(自身を含む): 68689782

約数和(自身を除く): 42704342

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 169, 208, 248, 260, 310, 338, 403, 416, 496, 520, 620, 676, 806, 845, 961, 992, 1040, 1240, 1352, 1612, 1690, 1922, 2015, 2080, 2480, 2704, 3224, 3380, 3844, 4030, 4805, 4960, 5239, 5408, 6448, 6760, 7688, 8060, 9610, 10478, 12493, 12896, 13520, 15376, 16120, 19220, 20956, 24986, 26195, 27040, 30752, 32240, 38440, 41912, 49972, 52390, 62465, 64480, 76880, 83824, 99944, 104780, 124930, 153760, 162409, 167648, 199888, 209560, 249860, 324818, 399776, 419120, 499720, 649636, 812045, 838240, 999440, 1299272, 1624090, 1998880, 2598544, 3248180, 5197088, 6496360, 12992720, 25985440]

約数ペア:

[(1, 25985440), (2, 12992720), (4, 6496360), (5, 5197088), (8, 3248180), (10, 2598544), (13, 1998880), (16, 1624090), (20, 1299272), (26, 999440), (31, 838240), (32, 812045), (40, 649636), (52, 499720), (62, 419120), (65, 399776), (80, 324818), (104, 249860), (124, 209560), (130, 199888), (155, 167648), (160, 162409), (169, 153760), (208, 124930), (248, 104780), (260, 99944), (310, 83824), (338, 76880), (403, 64480), (416, 62465), (496, 52390), (520, 49972), (620, 41912), (676, 38440), (806, 32240), (845, 30752), (961, 27040), (992, 26195), (1040, 24986), (1240, 20956), (1352, 19220), (1612, 16120), (1690, 15376), (1922, 13520), (2015, 12896), (2080, 12493), (2480, 10478), (2704, 9610), (3224, 8060), (3380, 7688), (3844, 6760), (4030, 6448), (4805, 5408), (4960, 5239)]