156980969840

素因数分解:

$2^4\times 5^1\times {\mathrm{1962262123}}^1$

素因数の和:1962262136

約数の個数: 20

約数和(自身を含む): 364980755064

約数和(自身を除く): 207999785224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962262123, 3924524246, 7849048492, 9811310615, 15698096984, 19622621230, 31396193968, 39245242460, 78490484920, 156980969840]

約数ペア:

[(1, 156980969840), (2, 78490484920), (4, 39245242460), (5, 31396193968), (8, 19622621230), (10, 15698096984), (16, 9811310615), (20, 7849048492), (40, 3924524246), (80, 1962262123)]