30390020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{37061}}^1$

素因数の和:37111

約数の個数: 24

約数和(自身を含む): 65377368

約数和(自身を除く): 34987348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 37061, 74122, 148244, 185305, 370610, 741220, 1519501, 3039002, 6078004, 7597505, 15195010, 30390020]

約数ペア:

[(1, 30390020), (2, 15195010), (4, 7597505), (5, 6078004), (10, 3039002), (20, 1519501), (41, 741220), (82, 370610), (164, 185305), (205, 148244), (410, 74122), (820, 37061)]