31035940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1511}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 71124480

約数和(自身を除く): 40088540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1511, 1580, 2054, 3022, 4108, 5135, 6044, 7555, 10270, 15110, 19643, 20540, 30220, 39286, 78572, 98215, 119369, 196430, 238738, 392860, 477476, 596845, 1193690, 1551797, 2387380, 3103594, 6207188, 7758985, 15517970, 31035940]

約数ペア:

[(1, 31035940), (2, 15517970), (4, 7758985), (5, 6207188), (10, 3103594), (13, 2387380), (20, 1551797), (26, 1193690), (52, 596845), (65, 477476), (79, 392860), (130, 238738), (158, 196430), (260, 119369), (316, 98215), (395, 78572), (790, 39286), (1027, 30220), (1511, 20540), (1580, 19643), (2054, 15110), (3022, 10270), (4108, 7555), (5135, 6044)]