378656020

素因数分解:

$2^2\times 5^1\times {\mathrm{18932801}}^1$

素因数の和:18932810

約数の個数: 12

約数和(自身を含む): 795177684

約数和(自身を除く): 416521664

約数列:

[1, 2, 4, 5, 10, 20, 18932801, 37865602, 75731204, 94664005, 189328010, 378656020]

約数ペア:

[(1, 378656020), (2, 189328010), (4, 94664005), (5, 75731204), (10, 37865602), (20, 18932801)]