25720630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2953}}^1$

素因数の和:3040

約数の個数: 32

約数和(自身を含む): 50619744

約数和(自身を除く): 24899114

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 2953, 4355, 5906, 8710, 14765, 29530, 38389, 76778, 191945, 197851, 383890, 395702, 989255, 1978510, 2572063, 5144126, 12860315, 25720630]

約数ペア:

[(1, 25720630), (2, 12860315), (5, 5144126), (10, 2572063), (13, 1978510), (26, 989255), (65, 395702), (67, 383890), (130, 197851), (134, 191945), (335, 76778), (670, 38389), (871, 29530), (1742, 14765), (2953, 8710), (4355, 5906)]