61966840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{443}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 151048800

約数和(自身を除く): 89081960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 269, 443, 520, 538, 886, 1076, 1345, 1772, 2152, 2215, 2690, 3497, 3544, 4430, 5380, 5759, 6994, 8860, 10760, 11518, 13988, 17485, 17720, 23036, 27976, 28795, 34970, 46072, 57590, 69940, 115180, 119167, 139880, 230360, 238334, 476668, 595835, 953336, 1191670, 1549171, 2383340, 3098342, 4766680, 6196684, 7745855, 12393368, 15491710, 30983420, 61966840]

約数ペア:

[(1, 61966840), (2, 30983420), (4, 15491710), (5, 12393368), (8, 7745855), (10, 6196684), (13, 4766680), (20, 3098342), (26, 2383340), (40, 1549171), (52, 1191670), (65, 953336), (104, 595835), (130, 476668), (260, 238334), (269, 230360), (443, 139880), (520, 119167), (538, 115180), (886, 69940), (1076, 57590), (1345, 46072), (1772, 34970), (2152, 28795), (2215, 27976), (2690, 23036), (3497, 17720), (3544, 17485), (4430, 13988), (5380, 11518), (5759, 10760), (6994, 8860)]