156980899120

素因数分解:

$2^4\times 5^1\times {\mathrm{1962261239}}^1$

素因数の和:1962261252

約数の個数: 20

約数和(自身を含む): 364980590640

約数和(自身を除く): 207999691520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962261239, 3924522478, 7849044956, 9811306195, 15698089912, 19622612390, 31396179824, 39245224780, 78490449560, 156980899120]

約数ペア:

[(1, 156980899120), (2, 78490449560), (4, 39245224780), (5, 31396179824), (8, 19622612390), (10, 15698089912), (16, 9811306195), (20, 7849044956), (40, 3924522478), (80, 1962261239)]