7925000

素因数分解:

$2^3\times 5^5\times {\mathrm{317}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 18631620

約数和(自身を除く): 10706620

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 317, 500, 625, 634, 1000, 1250, 1268, 1585, 2500, 2536, 3125, 3170, 5000, 6250, 6340, 7925, 12500, 12680, 15850, 25000, 31700, 39625, 63400, 79250, 158500, 198125, 317000, 396250, 792500, 990625, 1585000, 1981250, 3962500, 7925000]

約数ペア:

[(1, 7925000), (2, 3962500), (4, 1981250), (5, 1585000), (8, 990625), (10, 792500), (20, 396250), (25, 317000), (40, 198125), (50, 158500), (100, 79250), (125, 63400), (200, 39625), (250, 31700), (317, 25000), (500, 15850), (625, 12680), (634, 12500), (1000, 7925), (1250, 6340), (1268, 6250), (1585, 5000), (2500, 3170), (2536, 3125)]