133117840

素因数分解:

$2^4\times 5^1\times {\mathrm{1663973}}^1$

素因数の和:1663986

約数の個数: 20

約数和(自身を含む): 309499164

約数和(自身を除く): 176381324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1663973, 3327946, 6655892, 8319865, 13311784, 16639730, 26623568, 33279460, 66558920, 133117840]

約数ペア:

[(1, 133117840), (2, 66558920), (4, 33279460), (5, 26623568), (8, 16639730), (10, 13311784), (16, 8319865), (20, 6655892), (40, 3327946), (80, 1663973)]