149726489840

素因数分解:

$2^4\times 5^1\times {\mathrm{1871581123}}^1$

素因数の和:1871581136

約数の個数: 20

約数和(自身を含む): 348114089064

約数和(自身を除く): 198387599224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1871581123, 3743162246, 7486324492, 9357905615, 14972648984, 18715811230, 29945297968, 37431622460, 74863244920, 149726489840]

約数ペア:

[(1, 149726489840), (2, 74863244920), (4, 37431622460), (5, 29945297968), (8, 18715811230), (10, 14972648984), (16, 9357905615), (20, 7486324492), (40, 3743162246), (80, 1871581123)]