68605540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{201781}}^1$

素因数の和:201807

約数の個数: 24

約数和(自身を含む): 152547192

約数和(自身を除く): 83941652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 201781, 403562, 807124, 1008905, 2017810, 3430277, 4035620, 6860554, 13721108, 17151385, 34302770, 68605540]

約数ペア:

[(1, 68605540), (2, 34302770), (4, 17151385), (5, 13721108), (10, 6860554), (17, 4035620), (20, 3430277), (34, 2017810), (68, 1008905), (85, 807124), (170, 403562), (340, 201781)]