68388580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7109}}^1$

素因数の和:7168

約数の個数: 48

約数和(自身を含む): 158865840

約数和(自身を除く): 90477260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 7109, 9620, 14218, 28436, 35545, 71090, 92417, 142180, 184834, 263033, 369668, 462085, 526066, 924170, 1052132, 1315165, 1848340, 2630330, 3419429, 5260660, 6838858, 13677716, 17097145, 34194290, 68388580]

約数ペア:

[(1, 68388580), (2, 34194290), (4, 17097145), (5, 13677716), (10, 6838858), (13, 5260660), (20, 3419429), (26, 2630330), (37, 1848340), (52, 1315165), (65, 1052132), (74, 924170), (130, 526066), (148, 462085), (185, 369668), (260, 263033), (370, 184834), (481, 142180), (740, 92417), (962, 71090), (1924, 35545), (2405, 28436), (4810, 14218), (7109, 9620)]