63982000

素因数分解:

$2^4\times 5^3\times {\mathrm{31991}}^1$

素因数の和:32014

約数の個数: 40

約数和(自身を含む): 154713312

約数和(自身を除く): 90731312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 31991, 63982, 127964, 159955, 255928, 319910, 511856, 639820, 799775, 1279640, 1599550, 2559280, 3199100, 3998875, 6398200, 7997750, 12796400, 15995500, 31991000, 63982000]

約数ペア:

[(1, 63982000), (2, 31991000), (4, 15995500), (5, 12796400), (8, 7997750), (10, 6398200), (16, 3998875), (20, 3199100), (25, 2559280), (40, 1599550), (50, 1279640), (80, 799775), (100, 639820), (125, 511856), (200, 319910), (250, 255928), (400, 159955), (500, 127964), (1000, 63982), (2000, 31991)]