1569169220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1\times {\mathrm{1931}}^1$

素因数の和:2972

約数の個数: 48

約数和(自身を含む): 3380783616

約数和(自身を除く): 1811614396

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 991, 1931, 1982, 3862, 3964, 4955, 7724, 9655, 9910, 19310, 19820, 38620, 40631, 79171, 81262, 158342, 162524, 203155, 316684, 395855, 406310, 791710, 812620, 1583420, 1913621, 3827242, 7654484, 9568105, 19136210, 38272420, 78458461, 156916922, 313833844, 392292305, 784584610, 1569169220]

約数ペア:

[(1, 1569169220), (2, 784584610), (4, 392292305), (5, 313833844), (10, 156916922), (20, 78458461), (41, 38272420), (82, 19136210), (164, 9568105), (205, 7654484), (410, 3827242), (820, 1913621), (991, 1583420), (1931, 812620), (1982, 791710), (3862, 406310), (3964, 395855), (4955, 316684), (7724, 203155), (9655, 162524), (9910, 158342), (19310, 81262), (19820, 79171), (38620, 40631)]