31662020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2591}}^1$

素因数の和:2660

約数の個数: 48

約数和(自身を含む): 73156608

約数和(自身を除く): 41494588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 2591, 3055, 5182, 6110, 10364, 12220, 12955, 25910, 33683, 51820, 67366, 121777, 134732, 168415, 243554, 336830, 487108, 608885, 673660, 1217770, 1583101, 2435540, 3166202, 6332404, 7915505, 15831010, 31662020]

約数ペア:

[(1, 31662020), (2, 15831010), (4, 7915505), (5, 6332404), (10, 3166202), (13, 2435540), (20, 1583101), (26, 1217770), (47, 673660), (52, 608885), (65, 487108), (94, 336830), (130, 243554), (188, 168415), (235, 134732), (260, 121777), (470, 67366), (611, 51820), (940, 33683), (1222, 25910), (2444, 12955), (2591, 12220), (3055, 10364), (5182, 6110)]