61639340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{440281}}^1$

素因数の和:440297

約数の個数: 24

約数和(自身を含む): 147934752

約数和(自身を除く): 86295412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 440281, 880562, 1761124, 2201405, 3081967, 4402810, 6163934, 8805620, 12327868, 15409835, 30819670, 61639340]

約数ペア:

[(1, 61639340), (2, 30819670), (4, 15409835), (5, 12327868), (7, 8805620), (10, 6163934), (14, 4402810), (20, 3081967), (28, 2201405), (35, 1761124), (70, 880562), (140, 440281)]