80120540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{108271}}^1$

素因数の和:108317

約数の個数: 24

約数和(自身を含む): 172802112

約数和(自身を除く): 92681572

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 108271, 216542, 433084, 541355, 1082710, 2165420, 4006027, 8012054, 16024108, 20030135, 40060270, 80120540]

約数ペア:

[(1, 80120540), (2, 40060270), (4, 20030135), (5, 16024108), (10, 8012054), (20, 4006027), (37, 2165420), (74, 1082710), (148, 541355), (185, 433084), (370, 216542), (740, 108271)]