2645240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5087}}^1$

素因数の和:5111

約数の個数: 32

約数和(自身を含む): 6410880

約数和(自身を除く): 3765640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5087, 10174, 20348, 25435, 40696, 50870, 66131, 101740, 132262, 203480, 264524, 330655, 529048, 661310, 1322620, 2645240]

約数ペア:

[(1, 2645240), (2, 1322620), (4, 661310), (5, 529048), (8, 330655), (10, 264524), (13, 203480), (20, 132262), (26, 101740), (40, 66131), (52, 50870), (65, 40696), (104, 25435), (130, 20348), (260, 10174), (520, 5087)]