251019740

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{40099}}^1$

素因数の和:40421

約数の個数: 24

約数和(自身を含む): 528838800

約数和(自身を除く): 277819060

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 40099, 80198, 160396, 200495, 400990, 801980, 12550987, 25101974, 50203948, 62754935, 125509870, 251019740]

約数ペア:

[(1, 251019740), (2, 125509870), (4, 62754935), (5, 50203948), (10, 25101974), (20, 12550987), (313, 801980), (626, 400990), (1252, 200495), (1565, 160396), (3130, 80198), (6260, 40099)]