421066040

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{26251}}^1$

素因数の和:26663

約数の個数: 32

約数和(自身を含む): 949797360

約数和(自身を除く): 528731320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 16040, 26251, 52502, 105004, 131255, 210008, 262510, 525020, 1050040, 10526651, 21053302, 42106604, 52633255, 84213208, 105266510, 210533020, 421066040]

約数ペア:

[(1, 421066040), (2, 210533020), (4, 105266510), (5, 84213208), (8, 52633255), (10, 42106604), (20, 21053302), (40, 10526651), (401, 1050040), (802, 525020), (1604, 262510), (2005, 210008), (3208, 131255), (4010, 105004), (8020, 52502), (16040, 26251)]