81247000

素因数分解:

$2^3\times 5^3\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 192067200

約数和(自身を除く): 110820200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 125, 200, 226, 250, 452, 500, 565, 719, 904, 1000, 1130, 1438, 2260, 2825, 2876, 3595, 4520, 5650, 5752, 7190, 11300, 14125, 14380, 17975, 22600, 28250, 28760, 35950, 56500, 71900, 81247, 89875, 113000, 143800, 162494, 179750, 324988, 359500, 406235, 649976, 719000, 812470, 1624940, 2031175, 3249880, 4062350, 8124700, 10155875, 16249400, 20311750, 40623500, 81247000]

約数ペア:

[(1, 81247000), (2, 40623500), (4, 20311750), (5, 16249400), (8, 10155875), (10, 8124700), (20, 4062350), (25, 3249880), (40, 2031175), (50, 1624940), (100, 812470), (113, 719000), (125, 649976), (200, 406235), (226, 359500), (250, 324988), (452, 179750), (500, 162494), (565, 143800), (719, 113000), (904, 89875), (1000, 81247), (1130, 71900), (1438, 56500), (2260, 35950), (2825, 28760), (2876, 28250), (3595, 22600), (4520, 17975), (5650, 14380), (5752, 14125), (7190, 11300)]