13856720

素因数分解:

$2^4\times 5^1\times {\mathrm{173209}}^1$

素因数の和:173222

約数の個数: 20

約数和(自身を含む): 32217060

約数和(自身を除く): 18360340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173209, 346418, 692836, 866045, 1385672, 1732090, 2771344, 3464180, 6928360, 13856720]

約数ペア:

[(1, 13856720), (2, 6928360), (4, 3464180), (5, 2771344), (8, 1732090), (10, 1385672), (16, 866045), (20, 692836), (40, 346418), (80, 173209)]