2198765480

素因数分解:

$2^3\times 5^1\times {\mathrm{54969137}}^1$

素因数の和:54969148

約数の個数: 16

約数和(自身を含む): 4947222420

約数和(自身を除く): 2748456940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 54969137, 109938274, 219876548, 274845685, 439753096, 549691370, 1099382740, 2198765480]

約数ペア:

[(1, 2198765480), (2, 1099382740), (4, 549691370), (5, 439753096), (8, 274845685), (10, 219876548), (20, 109938274), (40, 54969137)]