144421520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41983}}^1$

素因数の和:42039

約数の個数: 40

約数和(自身を含む): 343597056

約数和(自身を除く): 199175536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 41983, 83966, 167932, 209915, 335864, 419830, 671728, 839660, 1679320, 1805269, 3358640, 3610538, 7221076, 9026345, 14442152, 18052690, 28884304, 36105380, 72210760, 144421520]

約数ペア:

[(1, 144421520), (2, 72210760), (4, 36105380), (5, 28884304), (8, 18052690), (10, 14442152), (16, 9026345), (20, 7221076), (40, 3610538), (43, 3358640), (80, 1805269), (86, 1679320), (172, 839660), (215, 671728), (344, 419830), (430, 335864), (688, 209915), (860, 167932), (1720, 83966), (3440, 41983)]