134720

素因数分解:

$2^6\times 5^1\times {\mathrm{421}}^1$

素因数の和:438

約数の個数: 28

約数和(自身を含む): 321564

約数和(自身を除く): 186844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 421, 842, 1684, 2105, 3368, 4210, 6736, 8420, 13472, 16840, 26944, 33680, 67360, 134720]

約数ペア:

[(1, 134720), (2, 67360), (4, 33680), (5, 26944), (8, 16840), (10, 13472), (16, 8420), (20, 6736), (32, 4210), (40, 3368), (64, 2105), (80, 1684), (160, 842), (320, 421)]