8268080

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:765

約数の個数: 40

約数和(自身を含む): 19363344

約数和(自身を除く): 11095264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 571, 724, 905, 1142, 1448, 1810, 2284, 2855, 2896, 3620, 4568, 5710, 7240, 9136, 11420, 14480, 22840, 45680, 103351, 206702, 413404, 516755, 826808, 1033510, 1653616, 2067020, 4134040, 8268080]

約数ペア:

[(1, 8268080), (2, 4134040), (4, 2067020), (5, 1653616), (8, 1033510), (10, 826808), (16, 516755), (20, 413404), (40, 206702), (80, 103351), (181, 45680), (362, 22840), (571, 14480), (724, 11420), (905, 9136), (1142, 7240), (1448, 5710), (1810, 4568), (2284, 3620), (2855, 2896)]