51055180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{971}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 117573120

約数和(自身を除く): 66517940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 971, 1195, 1942, 2390, 2629, 3884, 4780, 4855, 5258, 9710, 10516, 10681, 13145, 19420, 21362, 26290, 42724, 52580, 53405, 106810, 213620, 232069, 464138, 928276, 1160345, 2320690, 2552759, 4641380, 5105518, 10211036, 12763795, 25527590, 51055180]

約数ペア:

[(1, 51055180), (2, 25527590), (4, 12763795), (5, 10211036), (10, 5105518), (11, 4641380), (20, 2552759), (22, 2320690), (44, 1160345), (55, 928276), (110, 464138), (220, 232069), (239, 213620), (478, 106810), (956, 53405), (971, 52580), (1195, 42724), (1942, 26290), (2390, 21362), (2629, 19420), (3884, 13145), (4780, 10681), (4855, 10516), (5258, 9710)]