131995100

素因数分解:

$2^2\times 5^2\times {\mathrm{1319951}}^1$

素因数の和:1319965

約数の個数: 18

約数和(自身を含む): 286429584

約数和(自身を除く): 154434484

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1319951, 2639902, 5279804, 6599755, 13199510, 26399020, 32998775, 65997550, 131995100]

約数ペア:

[(1, 131995100), (2, 65997550), (4, 32998775), (5, 26399020), (10, 13199510), (20, 6599755), (25, 5279804), (50, 2639902), (100, 1319951)]