54805000

素因数分解:

$2^3\times 5^4\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 130879980

約数和(自身を除く): 76074980

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 113, 125, 194, 200, 226, 250, 388, 452, 485, 500, 565, 625, 776, 904, 970, 1000, 1130, 1250, 1940, 2260, 2425, 2500, 2825, 3880, 4520, 4850, 5000, 5650, 9700, 10961, 11300, 12125, 14125, 19400, 21922, 22600, 24250, 28250, 43844, 48500, 54805, 56500, 60625, 70625, 87688, 97000, 109610, 113000, 121250, 141250, 219220, 242500, 274025, 282500, 438440, 485000, 548050, 565000, 1096100, 1370125, 2192200, 2740250, 5480500, 6850625, 10961000, 13701250, 27402500, 54805000]

約数ペア:

[(1, 54805000), (2, 27402500), (4, 13701250), (5, 10961000), (8, 6850625), (10, 5480500), (20, 2740250), (25, 2192200), (40, 1370125), (50, 1096100), (97, 565000), (100, 548050), (113, 485000), (125, 438440), (194, 282500), (200, 274025), (226, 242500), (250, 219220), (388, 141250), (452, 121250), (485, 113000), (500, 109610), (565, 97000), (625, 87688), (776, 70625), (904, 60625), (970, 56500), (1000, 54805), (1130, 48500), (1250, 43844), (1940, 28250), (2260, 24250), (2425, 22600), (2500, 21922), (2825, 19400), (3880, 14125), (4520, 12125), (4850, 11300), (5000, 10961), (5650, 9700)]