78507640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67679}}^1$

素因数の和:67719

約数の個数: 32

約数和(自身を含む): 182736000

約数和(自身を除く): 104228360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 67679, 135358, 270716, 338395, 541432, 676790, 1353580, 1962691, 2707160, 3925382, 7850764, 9813455, 15701528, 19626910, 39253820, 78507640]

約数ペア:

[(1, 78507640), (2, 39253820), (4, 19626910), (5, 15701528), (8, 9813455), (10, 7850764), (20, 3925382), (29, 2707160), (40, 1962691), (58, 1353580), (116, 676790), (145, 541432), (232, 338395), (290, 270716), (580, 135358), (1160, 67679)]