100239280

素因数分解:

$2^4\times 5^1\times {\mathrm{1252991}}^1$

素因数の和:1253004

約数の個数: 20

約数和(自身を含む): 233056512

約数和(自身を除く): 132817232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1252991, 2505982, 5011964, 6264955, 10023928, 12529910, 20047856, 25059820, 50119640, 100239280]

約数ペア:

[(1, 100239280), (2, 50119640), (4, 25059820), (5, 20047856), (8, 12529910), (10, 10023928), (16, 6264955), (20, 5011964), (40, 2505982), (80, 1252991)]