7892000

素因数分解:

$2^5\times 5^3\times {\mathrm{1973}}^1$

素因数の和:1998

約数の個数: 48

約数和(自身を含む): 19400472

約数和(自身を除く): 11508472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 1973, 2000, 3946, 4000, 7892, 9865, 15784, 19730, 31568, 39460, 49325, 63136, 78920, 98650, 157840, 197300, 246625, 315680, 394600, 493250, 789200, 986500, 1578400, 1973000, 3946000, 7892000]

約数ペア:

[(1, 7892000), (2, 3946000), (4, 1973000), (5, 1578400), (8, 986500), (10, 789200), (16, 493250), (20, 394600), (25, 315680), (32, 246625), (40, 197300), (50, 157840), (80, 98650), (100, 78920), (125, 63136), (160, 49325), (200, 39460), (250, 31568), (400, 19730), (500, 15784), (800, 9865), (1000, 7892), (1973, 4000), (2000, 3946)]