65900080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19157}}^1$

素因数の和:19213

約数の個数: 40

約数和(自身を含む): 156789072

約数和(自身を除く): 90888992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 19157, 38314, 76628, 95785, 153256, 191570, 306512, 383140, 766280, 823751, 1532560, 1647502, 3295004, 4118755, 6590008, 8237510, 13180016, 16475020, 32950040, 65900080]

約数ペア:

[(1, 65900080), (2, 32950040), (4, 16475020), (5, 13180016), (8, 8237510), (10, 6590008), (16, 4118755), (20, 3295004), (40, 1647502), (43, 1532560), (80, 823751), (86, 766280), (172, 383140), (215, 306512), (344, 191570), (430, 153256), (688, 95785), (860, 76628), (1720, 38314), (3440, 19157)]