4020236840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137491}}^1$

素因数の和:137562

約数の個数: 64

約数和(自身を含む): 9800429760

約数和(自身を除く): 5780192920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2924, 3655, 5848, 7310, 14620, 29240, 137491, 274982, 549964, 687455, 1099928, 1374910, 2337347, 2749820, 4674694, 5499640, 5912113, 9349388, 11686735, 11824226, 18698776, 23373470, 23648452, 29560565, 46746940, 47296904, 59121130, 93493880, 100505921, 118242260, 201011842, 236484520, 402023684, 502529605, 804047368, 1005059210, 2010118420, 4020236840]

約数ペア:

[(1, 4020236840), (2, 2010118420), (4, 1005059210), (5, 804047368), (8, 502529605), (10, 402023684), (17, 236484520), (20, 201011842), (34, 118242260), (40, 100505921), (43, 93493880), (68, 59121130), (85, 47296904), (86, 46746940), (136, 29560565), (170, 23648452), (172, 23373470), (215, 18698776), (340, 11824226), (344, 11686735), (430, 9349388), (680, 5912113), (731, 5499640), (860, 4674694), (1462, 2749820), (1720, 2337347), (2924, 1374910), (3655, 1099928), (5848, 687455), (7310, 549964), (14620, 274982), (29240, 137491)]