9179980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4211}}^1$

素因数の和:4329

約数の個数: 24

約数和(自身を含む): 19459440

約数和(自身を除く): 10279460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 4211, 8422, 16844, 21055, 42110, 84220, 458999, 917998, 1835996, 2294995, 4589990, 9179980]

約数ペア:

[(1, 9179980), (2, 4589990), (4, 2294995), (5, 1835996), (10, 917998), (20, 458999), (109, 84220), (218, 42110), (436, 21055), (545, 16844), (1090, 8422), (2180, 4211)]