2011072580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{13229}}^1$

素因数の和:13940

約数の個数: 48

約数和(自身を含む): 4614200640

約数和(自身を除く): 2603128060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 691, 1382, 2764, 3455, 6910, 7601, 13229, 13820, 15202, 26458, 30404, 38005, 52916, 66145, 76010, 132290, 145519, 152020, 264580, 291038, 582076, 727595, 1455190, 2910380, 9141239, 18282478, 36564956, 45706195, 91412390, 100553629, 182824780, 201107258, 402214516, 502768145, 1005536290, 2011072580]

約数ペア:

[(1, 2011072580), (2, 1005536290), (4, 502768145), (5, 402214516), (10, 201107258), (11, 182824780), (20, 100553629), (22, 91412390), (44, 45706195), (55, 36564956), (110, 18282478), (220, 9141239), (691, 2910380), (1382, 1455190), (2764, 727595), (3455, 582076), (6910, 291038), (7601, 264580), (13229, 152020), (13820, 145519), (15202, 132290), (26458, 76010), (30404, 66145), (38005, 52916)]