25078000

素因数分解:

$2^4\times 5^3\times {\mathrm{12539}}^1$

素因数の和:12562

約数の個数: 40

約数和(自身を含む): 60643440

約数和(自身を除く): 35565440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 12539, 25078, 50156, 62695, 100312, 125390, 200624, 250780, 313475, 501560, 626950, 1003120, 1253900, 1567375, 2507800, 3134750, 5015600, 6269500, 12539000, 25078000]

約数ペア:

[(1, 25078000), (2, 12539000), (4, 6269500), (5, 5015600), (8, 3134750), (10, 2507800), (16, 1567375), (20, 1253900), (25, 1003120), (40, 626950), (50, 501560), (80, 313475), (100, 250780), (125, 200624), (200, 125390), (250, 100312), (400, 62695), (500, 50156), (1000, 25078), (2000, 12539)]