1022920

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 2332800

約数和(自身を除く): 1309880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 239, 428, 478, 535, 856, 956, 1070, 1195, 1912, 2140, 2390, 4280, 4780, 9560, 25573, 51146, 102292, 127865, 204584, 255730, 511460, 1022920]

約数ペア:

[(1, 1022920), (2, 511460), (4, 255730), (5, 204584), (8, 127865), (10, 102292), (20, 51146), (40, 25573), (107, 9560), (214, 4780), (239, 4280), (428, 2390), (478, 2140), (535, 1912), (856, 1195), (956, 1070)]