31696340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121909}}^1$

素因数の和:121931

約数の個数: 24

約数和(自身を含む): 71683080

約数和(自身を除く): 39986740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 121909, 243818, 487636, 609545, 1219090, 1584817, 2438180, 3169634, 6339268, 7924085, 15848170, 31696340]

約数ペア:

[(1, 31696340), (2, 15848170), (4, 7924085), (5, 6339268), (10, 3169634), (13, 2438180), (20, 1584817), (26, 1219090), (52, 609545), (65, 487636), (130, 243818), (260, 121909)]