3935000

素因数分解:

$2^3\times 5^4\times {\mathrm{787}}^1$

素因数の和:813

約数の個数: 40

約数和(自身を含む): 9231420

約数和(自身を除く): 5296420

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 787, 1000, 1250, 1574, 2500, 3148, 3935, 5000, 6296, 7870, 15740, 19675, 31480, 39350, 78700, 98375, 157400, 196750, 393500, 491875, 787000, 983750, 1967500, 3935000]

約数ペア:

[(1, 3935000), (2, 1967500), (4, 983750), (5, 787000), (8, 491875), (10, 393500), (20, 196750), (25, 157400), (40, 98375), (50, 78700), (100, 39350), (125, 31480), (200, 19675), (250, 15740), (500, 7870), (625, 6296), (787, 5000), (1000, 3935), (1250, 3148), (1574, 2500)]