31937620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{859}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 79319520

約数和(自身を除く): 47381900

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 859, 1430, 1690, 1718, 1859, 2860, 3380, 3436, 3718, 4295, 7436, 8590, 9295, 9449, 11167, 17180, 18590, 18898, 22334, 37180, 37796, 44668, 47245, 55835, 94490, 111670, 122837, 145171, 188980, 223340, 245674, 290342, 491348, 580684, 614185, 725855, 1228370, 1451710, 1596881, 2456740, 2903420, 3193762, 6387524, 7984405, 15968810, 31937620]

約数ペア:

[(1, 31937620), (2, 15968810), (4, 7984405), (5, 6387524), (10, 3193762), (11, 2903420), (13, 2456740), (20, 1596881), (22, 1451710), (26, 1228370), (44, 725855), (52, 614185), (55, 580684), (65, 491348), (110, 290342), (130, 245674), (143, 223340), (169, 188980), (220, 145171), (260, 122837), (286, 111670), (338, 94490), (572, 55835), (676, 47245), (715, 44668), (845, 37796), (859, 37180), (1430, 22334), (1690, 18898), (1718, 18590), (1859, 17180), (2860, 11167), (3380, 9449), (3436, 9295), (3718, 8590), (4295, 7436)]