8241740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31699}}^1$

素因数の和:31721

約数の個数: 24

約数和(自身を含む): 18639600

約数和(自身を除く): 10397860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31699, 63398, 126796, 158495, 316990, 412087, 633980, 824174, 1648348, 2060435, 4120870, 8241740]

約数ペア:

[(1, 8241740), (2, 4120870), (4, 2060435), (5, 1648348), (10, 824174), (13, 633980), (20, 412087), (26, 316990), (52, 158495), (65, 126796), (130, 63398), (260, 31699)]