3902000

素因数分解:

$2^4\times 5^3\times {\mathrm{1951}}^1$

素因数の和:1974

約数の個数: 40

約数和(自身を含む): 9439872

約数和(自身を除く): 5537872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 1951, 2000, 3902, 7804, 9755, 15608, 19510, 31216, 39020, 48775, 78040, 97550, 156080, 195100, 243875, 390200, 487750, 780400, 975500, 1951000, 3902000]

約数ペア:

[(1, 3902000), (2, 1951000), (4, 975500), (5, 780400), (8, 487750), (10, 390200), (16, 243875), (20, 195100), (25, 156080), (40, 97550), (50, 78040), (80, 48775), (100, 39020), (125, 31216), (200, 19510), (250, 15608), (400, 9755), (500, 7804), (1000, 3902), (1951, 2000)]