401532020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{184189}}^1$

素因数の和:184307

約数の個数: 24

約数和(自身を含む): 850957800

約数和(自身を除く): 449425780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 184189, 368378, 736756, 920945, 1841890, 3683780, 20076601, 40153202, 80306404, 100383005, 200766010, 401532020]

約数ペア:

[(1, 401532020), (2, 200766010), (4, 100383005), (5, 80306404), (10, 40153202), (20, 20076601), (109, 3683780), (218, 1841890), (436, 920945), (545, 736756), (1090, 368378), (2180, 184189)]