2141920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1217}}^1$

素因数の和:1243

約数の個数: 48

約数和(自身を含む): 5524848

約数和(自身を除く): 3382928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1217, 1760, 2434, 4868, 6085, 9736, 12170, 13387, 19472, 24340, 26774, 38944, 48680, 53548, 66935, 97360, 107096, 133870, 194720, 214192, 267740, 428384, 535480, 1070960, 2141920]

約数ペア:

[(1, 2141920), (2, 1070960), (4, 535480), (5, 428384), (8, 267740), (10, 214192), (11, 194720), (16, 133870), (20, 107096), (22, 97360), (32, 66935), (40, 53548), (44, 48680), (55, 38944), (80, 26774), (88, 24340), (110, 19472), (160, 13387), (176, 12170), (220, 9736), (352, 6085), (440, 4868), (880, 2434), (1217, 1760)]