28162040

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2677}}^1$

素因数の和:2951

約数の個数: 32

約数和(自身を含む): 63629280

約数和(自身を除く): 35467240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 2677, 5260, 5354, 10520, 10708, 13385, 21416, 26770, 53540, 107080, 704051, 1408102, 2816204, 3520255, 5632408, 7040510, 14081020, 28162040]

約数ペア:

[(1, 28162040), (2, 14081020), (4, 7040510), (5, 5632408), (8, 3520255), (10, 2816204), (20, 1408102), (40, 704051), (263, 107080), (526, 53540), (1052, 26770), (1315, 21416), (2104, 13385), (2630, 10708), (2677, 10520), (5260, 5354)]