17942240

素因数分解:

$2^5\times 5^1\times {\mathrm{112139}}^1$

素因数の和:112154

約数の個数: 24

約数和(自身を含む): 42388920

約数和(自身を除く): 24446680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 112139, 224278, 448556, 560695, 897112, 1121390, 1794224, 2242780, 3588448, 4485560, 8971120, 17942240]

約数ペア:

[(1, 17942240), (2, 8971120), (4, 4485560), (5, 3588448), (8, 2242780), (10, 1794224), (16, 1121390), (20, 897112), (32, 560695), (40, 448556), (80, 224278), (160, 112139)]