40142800

素因数分解:

$2^4\times 5^2\times {\mathrm{100357}}^1$

素因数の和:100375

約数の個数: 30

約数和(自身を含む): 96444038

約数和(自身を除く): 56301238

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 100357, 200714, 401428, 501785, 802856, 1003570, 1605712, 2007140, 2508925, 4014280, 5017850, 8028560, 10035700, 20071400, 40142800]

約数ペア:

[(1, 40142800), (2, 20071400), (4, 10035700), (5, 8028560), (8, 5017850), (10, 4014280), (16, 2508925), (20, 2007140), (25, 1605712), (40, 1003570), (50, 802856), (80, 501785), (100, 401428), (200, 200714), (400, 100357)]