51477220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2381}}^1$

素因数の和:2460

約数の個数: 48

約数和(自身を含む): 115250688

約数和(自身を除く): 63773468

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 2381, 4324, 4762, 5405, 9524, 10810, 11905, 21620, 23810, 47620, 54763, 109526, 111907, 219052, 223814, 273815, 447628, 547630, 559535, 1095260, 1119070, 2238140, 2573861, 5147722, 10295444, 12869305, 25738610, 51477220]

約数ペア:

[(1, 51477220), (2, 25738610), (4, 12869305), (5, 10295444), (10, 5147722), (20, 2573861), (23, 2238140), (46, 1119070), (47, 1095260), (92, 559535), (94, 547630), (115, 447628), (188, 273815), (230, 223814), (235, 219052), (460, 111907), (470, 109526), (940, 54763), (1081, 47620), (2162, 23810), (2381, 21620), (4324, 11905), (4762, 10810), (5405, 9524)]