28475920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32359}}^1$

素因数の和:32383

約数の個数: 40

約数和(自身を含む): 72227520

約数和(自身を除く): 43751600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32359, 64718, 129436, 161795, 258872, 323590, 355949, 517744, 647180, 711898, 1294360, 1423796, 1779745, 2588720, 2847592, 3559490, 5695184, 7118980, 14237960, 28475920]

約数ペア:

[(1, 28475920), (2, 14237960), (4, 7118980), (5, 5695184), (8, 3559490), (10, 2847592), (11, 2588720), (16, 1779745), (20, 1423796), (22, 1294360), (40, 711898), (44, 647180), (55, 517744), (80, 355949), (88, 323590), (110, 258872), (176, 161795), (220, 129436), (440, 64718), (880, 32359)]