51081220

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{4721}}^1$

素因数の和:5271

約数の個数: 24

約数和(自身を含む): 107491608

約数和(自身を除く): 56410388

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 4721, 5410, 9442, 10820, 18884, 23605, 47210, 94420, 2554061, 5108122, 10216244, 12770305, 25540610, 51081220]

約数ペア:

[(1, 51081220), (2, 25540610), (4, 12770305), (5, 10216244), (10, 5108122), (20, 2554061), (541, 94420), (1082, 47210), (2164, 23605), (2705, 18884), (4721, 10820), (5410, 9442)]