4392880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1277}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 10459152

約数和(自身を除く): 6066272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1277, 1720, 2554, 3440, 5108, 6385, 10216, 12770, 20432, 25540, 51080, 54911, 102160, 109822, 219644, 274555, 439288, 549110, 878576, 1098220, 2196440, 4392880]

約数ペア:

[(1, 4392880), (2, 2196440), (4, 1098220), (5, 878576), (8, 549110), (10, 439288), (16, 274555), (20, 219644), (40, 109822), (43, 102160), (80, 54911), (86, 51080), (172, 25540), (215, 20432), (344, 12770), (430, 10216), (688, 6385), (860, 5108), (1277, 3440), (1720, 2554)]