11656720

素因数分解:

$2^4\times 5^1\times {\mathrm{145709}}^1$

素因数の和:145722

約数の個数: 20

約数和(自身を含む): 27102060

約数和(自身を除く): 15445340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 145709, 291418, 582836, 728545, 1165672, 1457090, 2331344, 2914180, 5828360, 11656720]

約数ペア:

[(1, 11656720), (2, 5828360), (4, 2914180), (5, 2331344), (8, 1457090), (10, 1165672), (16, 728545), (20, 582836), (40, 291418), (80, 145709)]