8077000

素因数分解:

$2^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 19459440

約数和(自身を除く): 11382440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 197, 200, 205, 250, 328, 394, 410, 500, 788, 820, 985, 1000, 1025, 1576, 1640, 1970, 2050, 3940, 4100, 4925, 5125, 7880, 8077, 8200, 9850, 10250, 16154, 19700, 20500, 24625, 32308, 39400, 40385, 41000, 49250, 64616, 80770, 98500, 161540, 197000, 201925, 323080, 403850, 807700, 1009625, 1615400, 2019250, 4038500, 8077000]

約数ペア:

[(1, 8077000), (2, 4038500), (4, 2019250), (5, 1615400), (8, 1009625), (10, 807700), (20, 403850), (25, 323080), (40, 201925), (41, 197000), (50, 161540), (82, 98500), (100, 80770), (125, 64616), (164, 49250), (197, 41000), (200, 40385), (205, 39400), (250, 32308), (328, 24625), (394, 20500), (410, 19700), (500, 16154), (788, 10250), (820, 9850), (985, 8200), (1000, 8077), (1025, 7880), (1576, 5125), (1640, 4925), (1970, 4100), (2050, 3940)]