13500040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19853}}^1$

素因数の和:19881

約数の個数: 32

約数和(自身を含む): 32163480

約数和(自身を除く): 18663440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 19853, 39706, 79412, 99265, 158824, 198530, 337501, 397060, 675002, 794120, 1350004, 1687505, 2700008, 3375010, 6750020, 13500040]

約数ペア:

[(1, 13500040), (2, 6750020), (4, 3375010), (5, 2700008), (8, 1687505), (10, 1350004), (17, 794120), (20, 675002), (34, 397060), (40, 337501), (68, 198530), (85, 158824), (136, 99265), (170, 79412), (340, 39706), (680, 19853)]