61325420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1583}}^1$

素因数の和:1754

約数の個数: 48

約数和(自身を含む): 139708800

約数和(自身を除く): 78383380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1583, 1937, 2980, 3166, 3874, 6332, 7748, 7915, 9685, 15830, 19370, 20579, 31660, 38740, 41158, 82316, 102895, 205790, 235867, 411580, 471734, 943468, 1179335, 2358670, 3066271, 4717340, 6132542, 12265084, 15331355, 30662710, 61325420]

約数ペア:

[(1, 61325420), (2, 30662710), (4, 15331355), (5, 12265084), (10, 6132542), (13, 4717340), (20, 3066271), (26, 2358670), (52, 1179335), (65, 943468), (130, 471734), (149, 411580), (260, 235867), (298, 205790), (596, 102895), (745, 82316), (1490, 41158), (1583, 38740), (1937, 31660), (2980, 20579), (3166, 19370), (3874, 15830), (6332, 9685), (7748, 7915)]