28001480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53849}}^1$

素因数の和:53873

約数の個数: 32

約数和(自身を含む): 67851000

約数和(自身を除く): 39849520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 53849, 107698, 215396, 269245, 430792, 538490, 700037, 1076980, 1400074, 2153960, 2800148, 3500185, 5600296, 7000370, 14000740, 28001480]

約数ペア:

[(1, 28001480), (2, 14000740), (4, 7000370), (5, 5600296), (8, 3500185), (10, 2800148), (13, 2153960), (20, 1400074), (26, 1076980), (40, 700037), (52, 538490), (65, 430792), (104, 269245), (130, 215396), (260, 107698), (520, 53849)]