51100720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5279}}^1$

素因数の和:5314

約数の個数: 60

約数和(自身を含む): 130616640

約数和(自身を除く): 79515920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 5279, 9680, 10558, 21116, 26395, 42232, 52790, 58069, 84464, 105580, 116138, 211160, 232276, 290345, 422320, 464552, 580690, 638759, 929104, 1161380, 1277518, 2322760, 2555036, 3193795, 4645520, 5110072, 6387590, 10220144, 12775180, 25550360, 51100720]

約数ペア:

[(1, 51100720), (2, 25550360), (4, 12775180), (5, 10220144), (8, 6387590), (10, 5110072), (11, 4645520), (16, 3193795), (20, 2555036), (22, 2322760), (40, 1277518), (44, 1161380), (55, 929104), (80, 638759), (88, 580690), (110, 464552), (121, 422320), (176, 290345), (220, 232276), (242, 211160), (440, 116138), (484, 105580), (605, 84464), (880, 58069), (968, 52790), (1210, 42232), (1936, 26395), (2420, 21116), (4840, 10558), (5279, 9680)]