16625680

素因数分解:

$2^4\times 5^1\times {\mathrm{207821}}^1$

素因数の和:207834

約数の個数: 20

約数和(自身を含む): 38654892

約数和(自身を除く): 22029212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 207821, 415642, 831284, 1039105, 1662568, 2078210, 3325136, 4156420, 8312840, 16625680]

約数ペア:

[(1, 16625680), (2, 8312840), (4, 4156420), (5, 3325136), (8, 2078210), (10, 1662568), (16, 1039105), (20, 831284), (40, 415642), (80, 207821)]