28752620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110587}}^1$

素因数の和:110609

約数の個数: 24

約数和(自身を含む): 65025744

約数和(自身を除く): 36273124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 110587, 221174, 442348, 552935, 1105870, 1437631, 2211740, 2875262, 5750524, 7188155, 14376310, 28752620]

約数ペア:

[(1, 28752620), (2, 14376310), (4, 7188155), (5, 5750524), (10, 2875262), (13, 2211740), (20, 1437631), (26, 1105870), (52, 552935), (65, 442348), (130, 221174), (260, 110587)]