201677680

素因数分解:

$2^4\times 5^1\times {\mathrm{2520971}}^1$

素因数の和:2520984

約数の個数: 20

約数和(自身を含む): 468900792

約数和(自身を除く): 267223112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520971, 5041942, 10083884, 12604855, 20167768, 25209710, 40335536, 50419420, 100838840, 201677680]

約数ペア:

[(1, 201677680), (2, 100838840), (4, 50419420), (5, 40335536), (8, 25209710), (10, 20167768), (16, 12604855), (20, 10083884), (40, 5041942), (80, 2520971)]