68462980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{43331}}^1$

素因数の和:43419

約数の個数: 24

約数和(自身を含む): 145595520

約数和(自身を除く): 77132540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 43331, 86662, 173324, 216655, 433310, 866620, 3423149, 6846298, 13692596, 17115745, 34231490, 68462980]

約数ペア:

[(1, 68462980), (2, 34231490), (4, 17115745), (5, 13692596), (10, 6846298), (20, 3423149), (79, 866620), (158, 433310), (316, 216655), (395, 173324), (790, 86662), (1580, 43331)]