203419640

素因数分解:

$2^3\times 5^1\times {\mathrm{5085491}}^1$

素因数の和:5085502

約数の個数: 16

約数和(自身を含む): 457694280

約数和(自身を除く): 254274640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5085491, 10170982, 20341964, 25427455, 40683928, 50854910, 101709820, 203419640]

約数ペア:

[(1, 203419640), (2, 101709820), (4, 50854910), (5, 40683928), (8, 25427455), (10, 20341964), (20, 10170982), (40, 5085491)]