2000200220180

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{398446259}}^1$

素因数の和:398446519

約数の個数: 24

約数和(自身を含む): 4217155215840

約数和(自身を除く): 2216954995660

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 398446259, 796892518, 1593785036, 1992231295, 3984462590, 7968925180, 100010011009, 200020022018, 400040044036, 500050055045, 1000100110090, 2000200220180]

約数ペア:

[(1, 2000200220180), (2, 1000100110090), (4, 500050055045), (5, 400040044036), (10, 200020022018), (20, 100010011009), (251, 7968925180), (502, 3984462590), (1004, 1992231295), (1255, 1593785036), (2510, 796892518), (5020, 398446259)]