681090160

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{181141}}^1$

素因数の和:181201

約数の個数: 40

約数和(自身を含む): 1617235776

約数和(自身を除く): 936145616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 181141, 362282, 724564, 905705, 1449128, 1811410, 2898256, 3622820, 7245640, 8513627, 14491280, 17027254, 34054508, 42568135, 68109016, 85136270, 136218032, 170272540, 340545080, 681090160]

約数ペア:

[(1, 681090160), (2, 340545080), (4, 170272540), (5, 136218032), (8, 85136270), (10, 68109016), (16, 42568135), (20, 34054508), (40, 17027254), (47, 14491280), (80, 8513627), (94, 7245640), (188, 3622820), (235, 2898256), (376, 1811410), (470, 1449128), (752, 905705), (940, 724564), (1880, 362282), (3760, 181141)]