55905680

素因数分解:

$2^4\times 5^1\times {\mathrm{698821}}^1$

素因数の和:698834

約数の個数: 20

約数和(自身を含む): 129980892

約数和(自身を除く): 74075212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 698821, 1397642, 2795284, 3494105, 5590568, 6988210, 11181136, 13976420, 27952840, 55905680]

約数ペア:

[(1, 55905680), (2, 27952840), (4, 13976420), (5, 11181136), (8, 6988210), (10, 5590568), (16, 3494105), (20, 2795284), (40, 1397642), (80, 698821)]