12649220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 27866160

約数和(自身を除く): 15216940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 113, 116, 145, 193, 226, 290, 386, 452, 565, 580, 772, 965, 1130, 1930, 2260, 3277, 3860, 5597, 6554, 11194, 13108, 16385, 21809, 22388, 27985, 32770, 43618, 55970, 65540, 87236, 109045, 111940, 218090, 436180, 632461, 1264922, 2529844, 3162305, 6324610, 12649220]

約数ペア:

[(1, 12649220), (2, 6324610), (4, 3162305), (5, 2529844), (10, 1264922), (20, 632461), (29, 436180), (58, 218090), (113, 111940), (116, 109045), (145, 87236), (193, 65540), (226, 55970), (290, 43618), (386, 32770), (452, 27985), (565, 22388), (580, 21809), (772, 16385), (965, 13108), (1130, 11194), (1930, 6554), (2260, 5597), (3277, 3860)]