72393080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{42089}}^1$

素因数の和:42143

約数の個数: 32

約数和(自身を含む): 166676400

約数和(自身を除く): 94283320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 42089, 84178, 168356, 210445, 336712, 420890, 841780, 1683560, 1809827, 3619654, 7239308, 9049135, 14478616, 18098270, 36196540, 72393080]

約数ペア:

[(1, 72393080), (2, 36196540), (4, 18098270), (5, 14478616), (8, 9049135), (10, 7239308), (20, 3619654), (40, 1809827), (43, 1683560), (86, 841780), (172, 420890), (215, 336712), (344, 210445), (430, 168356), (860, 84178), (1720, 42089)]