25150220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30671}}^1$

素因数の和:30721

約数の個数: 24

約数和(自身を含む): 54105408

約数和(自身を除く): 28955188

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 30671, 61342, 122684, 153355, 306710, 613420, 1257511, 2515022, 5030044, 6287555, 12575110, 25150220]

約数ペア:

[(1, 25150220), (2, 12575110), (4, 6287555), (5, 5030044), (10, 2515022), (20, 1257511), (41, 613420), (82, 306710), (164, 153355), (205, 122684), (410, 61342), (820, 30671)]