90982000

素因数分解:

$2^4\times 5^3\times {\mathrm{45491}}^1$

素因数の和:45514

約数の個数: 40

約数和(自身を含む): 219999312

約数和(自身を除く): 129017312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 45491, 90982, 181964, 227455, 363928, 454910, 727856, 909820, 1137275, 1819640, 2274550, 3639280, 4549100, 5686375, 9098200, 11372750, 18196400, 22745500, 45491000, 90982000]

約数ペア:

[(1, 90982000), (2, 45491000), (4, 22745500), (5, 18196400), (8, 11372750), (10, 9098200), (16, 5686375), (20, 4549100), (25, 3639280), (40, 2274550), (50, 1819640), (80, 1137275), (100, 909820), (125, 727856), (200, 454910), (250, 363928), (400, 227455), (500, 181964), (1000, 90982), (2000, 45491)]