79816640

素因数分解:

$2^6\times 5^1\times {\mathrm{249427}}^1$

素因数の和:249444

約数の個数: 28

約数和(自身を含む): 190064136

約数和(自身を除く): 110247496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 249427, 498854, 997708, 1247135, 1995416, 2494270, 3990832, 4988540, 7981664, 9977080, 15963328, 19954160, 39908320, 79816640]

約数ペア:

[(1, 79816640), (2, 39908320), (4, 19954160), (5, 15963328), (8, 9977080), (10, 7981664), (16, 4988540), (20, 3990832), (32, 2494270), (40, 1995416), (64, 1247135), (80, 997708), (160, 498854), (320, 249427)]