47045000

素因数分解:

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

素因数の和:220

約数の個数: 60

約数和(自身を含む): 111374505

約数和(自身を除く): 64329505

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 125, 194, 200, 250, 388, 485, 500, 625, 776, 970, 1000, 1250, 1940, 2425, 2500, 3880, 4850, 5000, 9409, 9700, 12125, 18818, 19400, 24250, 37636, 47045, 48500, 60625, 75272, 94090, 97000, 121250, 188180, 235225, 242500, 376360, 470450, 485000, 940900, 1176125, 1881800, 2352250, 4704500, 5880625, 9409000, 11761250, 23522500, 47045000]

約数ペア:

[(1, 47045000), (2, 23522500), (4, 11761250), (5, 9409000), (8, 5880625), (10, 4704500), (20, 2352250), (25, 1881800), (40, 1176125), (50, 940900), (97, 485000), (100, 470450), (125, 376360), (194, 242500), (200, 235225), (250, 188180), (388, 121250), (485, 97000), (500, 94090), (625, 75272), (776, 60625), (970, 48500), (1000, 47045), (1250, 37636), (1940, 24250), (2425, 19400), (2500, 18818), (3880, 12125), (4850, 9700), (5000, 9409)]