80491460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{574939}}^1$

素因数の和:574955

約数の個数: 24

約数和(自身を含む): 193179840

約数和(自身を除く): 112688380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 574939, 1149878, 2299756, 2874695, 4024573, 5749390, 8049146, 11498780, 16098292, 20122865, 40245730, 80491460]

約数ペア:

[(1, 80491460), (2, 40245730), (4, 20122865), (5, 16098292), (7, 11498780), (10, 8049146), (14, 5749390), (20, 4024573), (28, 2874695), (35, 2299756), (70, 1149878), (140, 574939)]