88897060820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{49942169}}^1$

素因数の和:49942267

約数の個数: 24

約数和(自身を含む): 188781402600

約数和(自身を除く): 99884341780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 49942169, 99884338, 199768676, 249710845, 499421690, 998843380, 4444853041, 8889706082, 17779412164, 22224265205, 44448530410, 88897060820]

約数ペア:

[(1, 88897060820), (2, 44448530410), (4, 22224265205), (5, 17779412164), (10, 8889706082), (20, 4444853041), (89, 998843380), (178, 499421690), (356, 249710845), (445, 199768676), (890, 99884338), (1780, 49942169)]