4245280280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{8951}}^1$

素因数の和:9200

約数の個数: 64

約数和(自身を含む): 9745505280

約数和(自身を除く): 5500225000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 167, 284, 334, 355, 568, 668, 710, 835, 1336, 1420, 1670, 2840, 3340, 6680, 8951, 11857, 17902, 23714, 35804, 44755, 47428, 59285, 71608, 89510, 94856, 118570, 179020, 237140, 358040, 474280, 635521, 1271042, 1494817, 2542084, 2989634, 3177605, 5084168, 5979268, 6355210, 7474085, 11958536, 12710420, 14948170, 25420840, 29896340, 59792680, 106132007, 212264014, 424528028, 530660035, 849056056, 1061320070, 2122640140, 4245280280]

約数ペア:

[(1, 4245280280), (2, 2122640140), (4, 1061320070), (5, 849056056), (8, 530660035), (10, 424528028), (20, 212264014), (40, 106132007), (71, 59792680), (142, 29896340), (167, 25420840), (284, 14948170), (334, 12710420), (355, 11958536), (568, 7474085), (668, 6355210), (710, 5979268), (835, 5084168), (1336, 3177605), (1420, 2989634), (1670, 2542084), (2840, 1494817), (3340, 1271042), (6680, 635521), (8951, 474280), (11857, 358040), (17902, 237140), (23714, 179020), (35804, 118570), (44755, 94856), (47428, 89510), (59285, 71608)]