78125540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229781}}^1$

素因数の和:229807

約数の個数: 24

約数和(自身を含む): 173715192

約数和(自身を除く): 95589652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 229781, 459562, 919124, 1148905, 2297810, 3906277, 4595620, 7812554, 15625108, 19531385, 39062770, 78125540]

約数ペア:

[(1, 78125540), (2, 39062770), (4, 19531385), (5, 15625108), (10, 7812554), (17, 4595620), (20, 3906277), (34, 2297810), (68, 1148905), (85, 919124), (170, 459562), (340, 229781)]