100879280

素因数分解:

$2^4\times 5^1\times {\mathrm{1260991}}^1$

素因数の和:1261004

約数の個数: 20

約数和(自身を含む): 234544512

約数和(自身を除く): 133665232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1260991, 2521982, 5043964, 6304955, 10087928, 12609910, 20175856, 25219820, 50439640, 100879280]

約数ペア:

[(1, 100879280), (2, 50439640), (4, 25219820), (5, 20175856), (8, 12609910), (10, 10087928), (16, 6304955), (20, 5043964), (40, 2521982), (80, 1260991)]