12980180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38177}}^1$

素因数の和:38203

約数の個数: 24

約数和(自身を含む): 28862568

約数和(自身を除く): 15882388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 38177, 76354, 152708, 190885, 381770, 649009, 763540, 1298018, 2596036, 3245045, 6490090, 12980180]

約数ペア:

[(1, 12980180), (2, 6490090), (4, 3245045), (5, 2596036), (10, 1298018), (17, 763540), (20, 649009), (34, 381770), (68, 190885), (85, 152708), (170, 76354), (340, 38177)]