51104020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1559}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 117936000

約数和(自身を除く): 66831980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1559, 1639, 2980, 3118, 3278, 6236, 6556, 7795, 8195, 15590, 16390, 17149, 31180, 32780, 34298, 68596, 85745, 171490, 232291, 342980, 464582, 929164, 1161455, 2322910, 2555201, 4645820, 5110402, 10220804, 12776005, 25552010, 51104020]

約数ペア:

[(1, 51104020), (2, 25552010), (4, 12776005), (5, 10220804), (10, 5110402), (11, 4645820), (20, 2555201), (22, 2322910), (44, 1161455), (55, 929164), (110, 464582), (149, 342980), (220, 232291), (298, 171490), (596, 85745), (745, 68596), (1490, 34298), (1559, 32780), (1639, 31180), (2980, 17149), (3118, 16390), (3278, 15590), (6236, 8195), (6556, 7795)]