51418280

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{17609}}^1$

素因数の和:17693

約数の個数: 32

約数和(自身を含む): 117282600

約数和(自身を除く): 65864320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 17609, 35218, 70436, 88045, 140872, 176090, 352180, 704360, 1285457, 2570914, 5141828, 6427285, 10283656, 12854570, 25709140, 51418280]

約数ペア:

[(1, 51418280), (2, 25709140), (4, 12854570), (5, 10283656), (8, 6427285), (10, 5141828), (20, 2570914), (40, 1285457), (73, 704360), (146, 352180), (292, 176090), (365, 140872), (584, 88045), (730, 70436), (1460, 35218), (2920, 17609)]