64665640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3361}}^1$

素因数の和:3422

約数の個数: 64

約数和(自身を含む): 160972560

約数和(自身を除く): 96306920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3361, 3848, 4810, 6722, 9620, 13444, 16805, 19240, 26888, 33610, 43693, 67220, 87386, 124357, 134440, 174772, 218465, 248714, 349544, 436930, 497428, 621785, 873860, 994856, 1243570, 1616641, 1747720, 2487140, 3233282, 4974280, 6466564, 8083205, 12933128, 16166410, 32332820, 64665640]

約数ペア:

[(1, 64665640), (2, 32332820), (4, 16166410), (5, 12933128), (8, 8083205), (10, 6466564), (13, 4974280), (20, 3233282), (26, 2487140), (37, 1747720), (40, 1616641), (52, 1243570), (65, 994856), (74, 873860), (104, 621785), (130, 497428), (148, 436930), (185, 349544), (260, 248714), (296, 218465), (370, 174772), (481, 134440), (520, 124357), (740, 87386), (962, 67220), (1480, 43693), (1924, 33610), (2405, 26888), (3361, 19240), (3848, 16805), (4810, 13444), (6722, 9620)]