200717680

素因数分解:

$2^4\times 5^1\times {\mathrm{2508971}}^1$

素因数の和:2508984

約数の個数: 20

約数和(自身を含む): 466668792

約数和(自身を除く): 265951112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2508971, 5017942, 10035884, 12544855, 20071768, 25089710, 40143536, 50179420, 100358840, 200717680]

約数ペア:

[(1, 200717680), (2, 100358840), (4, 50179420), (5, 40143536), (8, 25089710), (10, 20071768), (16, 12544855), (20, 10035884), (40, 5017942), (80, 2508971)]