31181260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{523}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 71834112

約数和(自身を除く): 40652852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 271, 523, 542, 1046, 1084, 1355, 2092, 2615, 2710, 2981, 5230, 5420, 5753, 5962, 10460, 11506, 11924, 14905, 23012, 28765, 29810, 57530, 59620, 115060, 141733, 283466, 566932, 708665, 1417330, 1559063, 2834660, 3118126, 6236252, 7795315, 15590630, 31181260]

約数ペア:

[(1, 31181260), (2, 15590630), (4, 7795315), (5, 6236252), (10, 3118126), (11, 2834660), (20, 1559063), (22, 1417330), (44, 708665), (55, 566932), (110, 283466), (220, 141733), (271, 115060), (523, 59620), (542, 57530), (1046, 29810), (1084, 28765), (1355, 23012), (2092, 14905), (2615, 11924), (2710, 11506), (2981, 10460), (5230, 5962), (5420, 5753)]