28546960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27449}}^1$

素因数の和:27475

約数の個数: 40

約数和(自身を含む): 71479800

約数和(自身を除く): 42932840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27449, 54898, 109796, 137245, 219592, 274490, 356837, 439184, 548980, 713674, 1097960, 1427348, 1784185, 2195920, 2854696, 3568370, 5709392, 7136740, 14273480, 28546960]

約数ペア:

[(1, 28546960), (2, 14273480), (4, 7136740), (5, 5709392), (8, 3568370), (10, 2854696), (13, 2195920), (16, 1784185), (20, 1427348), (26, 1097960), (40, 713674), (52, 548980), (65, 439184), (80, 356837), (104, 274490), (130, 219592), (208, 137245), (260, 109796), (520, 54898), (1040, 27449)]