2040232825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 2873119680

約数和(自身を除く): 832886855

約数列:

[1, 5, 19, 23, 25, 43, 95, 101, 115, 215, 437, 475, 505, 575, 817, 989, 1075, 1849, 1919, 2185, 2323, 2525, 4085, 4343, 4945, 9245, 9595, 10925, 11615, 18791, 20425, 21715, 24725, 35131, 42527, 44137, 46225, 47975, 58075, 82517, 93955, 99889, 108575, 175655, 186749, 212635, 220685, 412585, 469775, 499445, 808013, 878275, 933745, 1063175, 1103425, 1897891, 2062925, 2497225, 3548231, 4040065, 4295227, 4668725, 9489455, 17741155, 20200325, 21476135, 47447275, 81609313, 88705775, 107380675, 408046565, 2040232825]

約数ペア:

[(1, 2040232825), (5, 408046565), (19, 107380675), (23, 88705775), (25, 81609313), (43, 47447275), (95, 21476135), (101, 20200325), (115, 17741155), (215, 9489455), (437, 4668725), (475, 4295227), (505, 4040065), (575, 3548231), (817, 2497225), (989, 2062925), (1075, 1897891), (1849, 1103425), (1919, 1063175), (2185, 933745), (2323, 878275), (2525, 808013), (4085, 499445), (4343, 469775), (4945, 412585), (9245, 220685), (9595, 212635), (10925, 186749), (11615, 175655), (18791, 108575), (20425, 99889), (21715, 93955), (24725, 82517), (35131, 58075), (42527, 47975), (44137, 46225)]