201380256020

素因数分解:

$2^2\times 5^1\times {\mathrm{10069012801}}^1$

素因数の和:10069012810

約数の個数: 12

約数和(自身を含む): 422898537684

約数和(自身を除く): 221518281664

約数列:

[1, 2, 4, 5, 10, 20, 10069012801, 20138025602, 40276051204, 50345064005, 100690128010, 201380256020]

約数ペア:

[(1, 201380256020), (2, 100690128010), (4, 50345064005), (5, 40276051204), (10, 20138025602), (20, 10069012801)]