51618880

素因数分解:

$2^6\times 5^1\times {\mathrm{161309}}^1$

素因数の和:161326

約数の個数: 28

約数和(自身を含む): 122918220

約数和(自身を除く): 71299340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 161309, 322618, 645236, 806545, 1290472, 1613090, 2580944, 3226180, 5161888, 6452360, 10323776, 12904720, 25809440, 51618880]

約数ペア:

[(1, 51618880), (2, 25809440), (4, 12904720), (5, 10323776), (8, 6452360), (10, 5161888), (16, 3226180), (20, 2580944), (32, 1613090), (40, 1290472), (64, 806545), (80, 645236), (160, 322618), (320, 161309)]