140809520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{40933}}^1$

素因数の和:40989

約数の個数: 40

約数和(自身を含む): 335003856

約数和(自身を除く): 194194336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 40933, 81866, 163732, 204665, 327464, 409330, 654928, 818660, 1637320, 1760119, 3274640, 3520238, 7040476, 8800595, 14080952, 17601190, 28161904, 35202380, 70404760, 140809520]

約数ペア:

[(1, 140809520), (2, 70404760), (4, 35202380), (5, 28161904), (8, 17601190), (10, 14080952), (16, 8800595), (20, 7040476), (40, 3520238), (43, 3274640), (80, 1760119), (86, 1637320), (172, 818660), (215, 654928), (344, 409330), (430, 327464), (688, 204665), (860, 163732), (1720, 81866), (3440, 40933)]