25356431920

素因数分解:

$2^4\times 5^1\times {\mathrm{316955399}}^1$

素因数の和:316955412

約数の個数: 20

約数和(自身を含む): 58953704400

約数和(自身を除く): 33597272480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 316955399, 633910798, 1267821596, 1584776995, 2535643192, 3169553990, 5071286384, 6339107980, 12678215960, 25356431920]

約数ペア:

[(1, 25356431920), (2, 12678215960), (4, 6339107980), (5, 5071286384), (8, 3169553990), (10, 2535643192), (16, 1584776995), (20, 1267821596), (40, 633910798), (80, 316955399)]