12280580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 28047600

約数和(自身を除く): 15767020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 317, 596, 634, 745, 1268, 1490, 1585, 1937, 2980, 3170, 3874, 4121, 6340, 7748, 8242, 9685, 16484, 19370, 20605, 38740, 41210, 47233, 82420, 94466, 188932, 236165, 472330, 614029, 944660, 1228058, 2456116, 3070145, 6140290, 12280580]

約数ペア:

[(1, 12280580), (2, 6140290), (4, 3070145), (5, 2456116), (10, 1228058), (13, 944660), (20, 614029), (26, 472330), (52, 236165), (65, 188932), (130, 94466), (149, 82420), (260, 47233), (298, 41210), (317, 38740), (596, 20605), (634, 19370), (745, 16484), (1268, 9685), (1490, 8242), (1585, 7748), (1937, 6340), (2980, 4121), (3170, 3874)]