77779120

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3067}}^1$

素因数の和:3397

約数の個数: 40

約数和(自身を含む): 181466064

約数和(自身を除く): 103686944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3067, 3170, 5072, 6134, 6340, 12268, 12680, 15335, 24536, 25360, 30670, 49072, 61340, 122680, 245360, 972239, 1944478, 3888956, 4861195, 7777912, 9722390, 15555824, 19444780, 38889560, 77779120]

約数ペア:

[(1, 77779120), (2, 38889560), (4, 19444780), (5, 15555824), (8, 9722390), (10, 7777912), (16, 4861195), (20, 3888956), (40, 1944478), (80, 972239), (317, 245360), (634, 122680), (1268, 61340), (1585, 49072), (2536, 30670), (3067, 25360), (3170, 24536), (5072, 15335), (6134, 12680), (6340, 12268)]