65129440

素因数分解:

$2^5\times 5^1\times {\mathrm{407059}}^1$

素因数の和:407074

約数の個数: 24

約数和(自身を含む): 153868680

約数和(自身を除く): 88739240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 407059, 814118, 1628236, 2035295, 3256472, 4070590, 6512944, 8141180, 13025888, 16282360, 32564720, 65129440]

約数ペア:

[(1, 65129440), (2, 32564720), (4, 16282360), (5, 13025888), (8, 8141180), (10, 6512944), (16, 4070590), (20, 3256472), (32, 2035295), (40, 1628236), (80, 814118), (160, 407059)]