74465680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21647}}^1$

素因数の和:21703

約数の個数: 40

約数和(自身を含む): 177167232

約数和(自身を除く): 102701552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 21647, 43294, 86588, 108235, 173176, 216470, 346352, 432940, 865880, 930821, 1731760, 1861642, 3723284, 4654105, 7446568, 9308210, 14893136, 18616420, 37232840, 74465680]

約数ペア:

[(1, 74465680), (2, 37232840), (4, 18616420), (5, 14893136), (8, 9308210), (10, 7446568), (16, 4654105), (20, 3723284), (40, 1861642), (43, 1731760), (80, 930821), (86, 865880), (172, 432940), (215, 346352), (344, 216470), (430, 173176), (688, 108235), (860, 86588), (1720, 43294), (3440, 21647)]