120777980

素因数分解:

$2^2\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{2719}}^1$

素因数の和:4949

約数の個数: 24

約数和(自身を含む): 253841280

約数和(自身を除く): 133063300

約数列:

[1, 2, 4, 5, 10, 20, 2221, 2719, 4442, 5438, 8884, 10876, 11105, 13595, 22210, 27190, 44420, 54380, 6038899, 12077798, 24155596, 30194495, 60388990, 120777980]

約数ペア:

[(1, 120777980), (2, 60388990), (4, 30194495), (5, 24155596), (10, 12077798), (20, 6038899), (2221, 54380), (2719, 44420), (4442, 27190), (5438, 22210), (8884, 13595), (10876, 11105)]