1626280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 3702600

約数和(自身を除く): 2076320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 373, 436, 545, 746, 872, 1090, 1492, 1865, 2180, 2984, 3730, 4360, 7460, 14920, 40657, 81314, 162628, 203285, 325256, 406570, 813140, 1626280]

約数ペア:

[(1, 1626280), (2, 813140), (4, 406570), (5, 325256), (8, 203285), (10, 162628), (20, 81314), (40, 40657), (109, 14920), (218, 7460), (373, 4360), (436, 3730), (545, 2984), (746, 2180), (872, 1865), (1090, 1492)]