6918640

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 16204320

約数和(自身を除く): 9285680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 439, 788, 878, 985, 1576, 1756, 1970, 2195, 3152, 3512, 3940, 4390, 7024, 7880, 8780, 15760, 17560, 35120, 86483, 172966, 345932, 432415, 691864, 864830, 1383728, 1729660, 3459320, 6918640]

約数ペア:

[(1, 6918640), (2, 3459320), (4, 1729660), (5, 1383728), (8, 864830), (10, 691864), (16, 432415), (20, 345932), (40, 172966), (80, 86483), (197, 35120), (394, 17560), (439, 15760), (788, 8780), (878, 7880), (985, 7024), (1576, 4390), (1756, 3940), (1970, 3512), (2195, 3152)]