80604080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2791}}^1$

素因数の和:2842

約数の個数: 60

約数和(自身を含む): 197857872

約数和(自身を除く): 117253792

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2791, 2888, 3610, 5582, 5776, 7220, 11164, 13955, 14440, 22328, 27910, 28880, 44656, 53029, 55820, 106058, 111640, 212116, 223280, 265145, 424232, 530290, 848464, 1007551, 1060580, 2015102, 2121160, 4030204, 4242320, 5037755, 8060408, 10075510, 16120816, 20151020, 40302040, 80604080]

約数ペア:

[(1, 80604080), (2, 40302040), (4, 20151020), (5, 16120816), (8, 10075510), (10, 8060408), (16, 5037755), (19, 4242320), (20, 4030204), (38, 2121160), (40, 2015102), (76, 1060580), (80, 1007551), (95, 848464), (152, 530290), (190, 424232), (304, 265145), (361, 223280), (380, 212116), (722, 111640), (760, 106058), (1444, 55820), (1520, 53029), (1805, 44656), (2791, 28880), (2888, 27910), (3610, 22328), (5582, 14440), (5776, 13955), (7220, 11164)]