7887920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2293}}^1$

素因数の和:2349

約数の個数: 40

約数和(自身を含む): 18774096

約数和(自身を除く): 10886176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2293, 3440, 4586, 9172, 11465, 18344, 22930, 36688, 45860, 91720, 98599, 183440, 197198, 394396, 492995, 788792, 985990, 1577584, 1971980, 3943960, 7887920]

約数ペア:

[(1, 7887920), (2, 3943960), (4, 1971980), (5, 1577584), (8, 985990), (10, 788792), (16, 492995), (20, 394396), (40, 197198), (43, 183440), (80, 98599), (86, 91720), (172, 45860), (215, 36688), (344, 22930), (430, 18344), (688, 11465), (860, 9172), (1720, 4586), (2293, 3440)]