38315000

素因数分解:

$2^3\times 5^4\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 91845600

約数和(自身を除く): 53530600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 97, 100, 125, 158, 194, 200, 250, 316, 388, 395, 485, 500, 625, 632, 776, 790, 970, 1000, 1250, 1580, 1940, 1975, 2425, 2500, 3160, 3880, 3950, 4850, 5000, 7663, 7900, 9700, 9875, 12125, 15326, 15800, 19400, 19750, 24250, 30652, 38315, 39500, 48500, 49375, 60625, 61304, 76630, 79000, 97000, 98750, 121250, 153260, 191575, 197500, 242500, 306520, 383150, 395000, 485000, 766300, 957875, 1532600, 1915750, 3831500, 4789375, 7663000, 9578750, 19157500, 38315000]

約数ペア:

[(1, 38315000), (2, 19157500), (4, 9578750), (5, 7663000), (8, 4789375), (10, 3831500), (20, 1915750), (25, 1532600), (40, 957875), (50, 766300), (79, 485000), (97, 395000), (100, 383150), (125, 306520), (158, 242500), (194, 197500), (200, 191575), (250, 153260), (316, 121250), (388, 98750), (395, 97000), (485, 79000), (500, 76630), (625, 61304), (632, 60625), (776, 49375), (790, 48500), (970, 39500), (1000, 38315), (1250, 30652), (1580, 24250), (1940, 19750), (1975, 19400), (2425, 15800), (2500, 15326), (3160, 12125), (3880, 9875), (3950, 9700), (4850, 7900), (5000, 7663)]