9961640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19157}}^1$

素因数の和:19181

約数の個数: 32

約数和(自身を含む): 24139080

約数和(自身を除く): 14177440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 19157, 38314, 76628, 95785, 153256, 191570, 249041, 383140, 498082, 766280, 996164, 1245205, 1992328, 2490410, 4980820, 9961640]

約数ペア:

[(1, 9961640), (2, 4980820), (4, 2490410), (5, 1992328), (8, 1245205), (10, 996164), (13, 766280), (20, 498082), (26, 383140), (40, 249041), (52, 191570), (65, 153256), (104, 95785), (130, 76628), (260, 38314), (520, 19157)]