1025680

素因数分解:

$2^4\times 5^1\times {\mathrm{12821}}^1$

素因数の和:12834

約数の個数: 20

約数和(自身を含む): 2384892

約数和(自身を除く): 1359212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12821, 25642, 51284, 64105, 102568, 128210, 205136, 256420, 512840, 1025680]

約数ペア:

[(1, 1025680), (2, 512840), (4, 256420), (5, 205136), (8, 128210), (10, 102568), (16, 64105), (20, 51284), (40, 25642), (80, 12821)]