64937380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1087}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 142571520

約数和(自身を除く): 77634140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 103, 116, 145, 206, 290, 412, 515, 580, 1030, 1087, 2060, 2174, 2987, 4348, 5435, 5974, 10870, 11948, 14935, 21740, 29870, 31523, 59740, 63046, 111961, 126092, 157615, 223922, 315230, 447844, 559805, 630460, 1119610, 2239220, 3246869, 6493738, 12987476, 16234345, 32468690, 64937380]

約数ペア:

[(1, 64937380), (2, 32468690), (4, 16234345), (5, 12987476), (10, 6493738), (20, 3246869), (29, 2239220), (58, 1119610), (103, 630460), (116, 559805), (145, 447844), (206, 315230), (290, 223922), (412, 157615), (515, 126092), (580, 111961), (1030, 63046), (1087, 59740), (2060, 31523), (2174, 29870), (2987, 21740), (4348, 14935), (5435, 11948), (5974, 10870)]