74651440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21701}}^1$

素因数の和:21757

約数の個数: 40

約数和(自身を含む): 177609168

約数和(自身を除く): 102957728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 21701, 43402, 86804, 108505, 173608, 217010, 347216, 434020, 868040, 933143, 1736080, 1866286, 3732572, 4665715, 7465144, 9331430, 14930288, 18662860, 37325720, 74651440]

約数ペア:

[(1, 74651440), (2, 37325720), (4, 18662860), (5, 14930288), (8, 9331430), (10, 7465144), (16, 4665715), (20, 3732572), (40, 1866286), (43, 1736080), (80, 933143), (86, 868040), (172, 434020), (215, 347216), (344, 217010), (430, 173608), (688, 108505), (860, 86804), (1720, 43402), (3440, 21701)]