5165560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1451}}^1$

素因数の和:1551

約数の個数: 32

約数和(自身を含む): 11761200

約数和(自身を除く): 6595640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1451, 1780, 2902, 3560, 5804, 7255, 11608, 14510, 29020, 58040, 129139, 258278, 516556, 645695, 1033112, 1291390, 2582780, 5165560]

約数ペア:

[(1, 5165560), (2, 2582780), (4, 1291390), (5, 1033112), (8, 645695), (10, 516556), (20, 258278), (40, 129139), (89, 58040), (178, 29020), (356, 14510), (445, 11608), (712, 7255), (890, 5804), (1451, 3560), (1780, 2902)]