55920520

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{8081}}^1$

素因数の和:8265

約数の個数: 32

約数和(自身を含む): 126564120

約数和(自身を除く): 70643600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 8081, 16162, 32324, 40405, 64648, 80810, 161620, 323240, 1398013, 2796026, 5592052, 6990065, 11184104, 13980130, 27960260, 55920520]

約数ペア:

[(1, 55920520), (2, 27960260), (4, 13980130), (5, 11184104), (8, 6990065), (10, 5592052), (20, 2796026), (40, 1398013), (173, 323240), (346, 161620), (692, 80810), (865, 64648), (1384, 40405), (1730, 32324), (3460, 16162), (6920, 8081)]