28675040

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{647}}^1$

素因数の和:939

約数の個数: 48

約数和(自身を含む): 68094432

約数和(自身を除く): 39419392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 554, 647, 1108, 1294, 1385, 2216, 2588, 2770, 3235, 4432, 5176, 5540, 6470, 8864, 10352, 11080, 12940, 20704, 22160, 25880, 44320, 51760, 103520, 179219, 358438, 716876, 896095, 1433752, 1792190, 2867504, 3584380, 5735008, 7168760, 14337520, 28675040]

約数ペア:

[(1, 28675040), (2, 14337520), (4, 7168760), (5, 5735008), (8, 3584380), (10, 2867504), (16, 1792190), (20, 1433752), (32, 896095), (40, 716876), (80, 358438), (160, 179219), (277, 103520), (554, 51760), (647, 44320), (1108, 25880), (1294, 22160), (1385, 20704), (2216, 12940), (2588, 11080), (2770, 10352), (3235, 8864), (4432, 6470), (5176, 5540)]