31708820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11087}}^1$

素因数の和:11120

約数の個数: 48

約数和(自身を含む): 78236928

約数和(自身を除く): 46528108

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 11087, 22174, 44348, 55435, 110870, 121957, 144131, 221740, 243914, 288262, 487828, 576524, 609785, 720655, 1219570, 1441310, 1585441, 2439140, 2882620, 3170882, 6341764, 7927205, 15854410, 31708820]

約数ペア:

[(1, 31708820), (2, 15854410), (4, 7927205), (5, 6341764), (10, 3170882), (11, 2882620), (13, 2439140), (20, 1585441), (22, 1441310), (26, 1219570), (44, 720655), (52, 609785), (55, 576524), (65, 487828), (110, 288262), (130, 243914), (143, 221740), (220, 144131), (260, 121957), (286, 110870), (572, 55435), (715, 44348), (1430, 22174), (2860, 11087)]