71298020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{58441}}^1$

素因数の和:58511

約数の個数: 24

約数和(自身を含む): 152182968

約数和(自身を除く): 80884948

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 58441, 116882, 233764, 292205, 584410, 1168820, 3564901, 7129802, 14259604, 17824505, 35649010, 71298020]

約数ペア:

[(1, 71298020), (2, 35649010), (4, 17824505), (5, 14259604), (10, 7129802), (20, 3564901), (61, 1168820), (122, 584410), (244, 292205), (305, 233764), (610, 116882), (1220, 58441)]