13557160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19937}}^1$

素因数の和:19965

約数の個数: 32

約数和(自身を含む): 32299560

約数和(自身を除く): 18742400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 19937, 39874, 79748, 99685, 159496, 199370, 338929, 398740, 677858, 797480, 1355716, 1694645, 2711432, 3389290, 6778580, 13557160]

約数ペア:

[(1, 13557160), (2, 6778580), (4, 3389290), (5, 2711432), (8, 1694645), (10, 1355716), (17, 797480), (20, 677858), (34, 398740), (40, 338929), (68, 199370), (85, 159496), (136, 99685), (170, 79748), (340, 39874), (680, 19937)]