4850000

素因数分解:

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

素因数の和:130

約数の個数: 60

約数和(自身を含む): 11866428

約数和(自身を除く): 7016428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 125, 194, 200, 250, 388, 400, 485, 500, 625, 776, 970, 1000, 1250, 1552, 1940, 2000, 2425, 2500, 3125, 3880, 4850, 5000, 6250, 7760, 9700, 10000, 12125, 12500, 19400, 24250, 25000, 38800, 48500, 50000, 60625, 97000, 121250, 194000, 242500, 303125, 485000, 606250, 970000, 1212500, 2425000, 4850000]

約数ペア:

[(1, 4850000), (2, 2425000), (4, 1212500), (5, 970000), (8, 606250), (10, 485000), (16, 303125), (20, 242500), (25, 194000), (40, 121250), (50, 97000), (80, 60625), (97, 50000), (100, 48500), (125, 38800), (194, 25000), (200, 24250), (250, 19400), (388, 12500), (400, 12125), (485, 10000), (500, 9700), (625, 7760), (776, 6250), (970, 5000), (1000, 4850), (1250, 3880), (1552, 3125), (1940, 2500), (2000, 2425)]