8421160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19139}}^1$

素因数の和:19161

約数の個数: 32

約数和(自身を含む): 20671200

約数和(自身を除く): 12250040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19139, 38278, 76556, 95695, 153112, 191390, 210529, 382780, 421058, 765560, 842116, 1052645, 1684232, 2105290, 4210580, 8421160]

約数ペア:

[(1, 8421160), (2, 4210580), (4, 2105290), (5, 1684232), (8, 1052645), (10, 842116), (11, 765560), (20, 421058), (22, 382780), (40, 210529), (44, 191390), (55, 153112), (88, 95695), (110, 76556), (220, 38278), (440, 19139)]