78984160

素因数分解:

$2^5\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1877}}^1$

素因数の和:2155

約数の個数: 48

約数和(自身を含む): 187409376

約数和(自身を除く): 108425216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 263, 526, 1052, 1315, 1877, 2104, 2630, 3754, 4208, 5260, 7508, 8416, 9385, 10520, 15016, 18770, 21040, 30032, 37540, 42080, 60064, 75080, 150160, 300320, 493651, 987302, 1974604, 2468255, 3949208, 4936510, 7898416, 9873020, 15796832, 19746040, 39492080, 78984160]

約数ペア:

[(1, 78984160), (2, 39492080), (4, 19746040), (5, 15796832), (8, 9873020), (10, 7898416), (16, 4936510), (20, 3949208), (32, 2468255), (40, 1974604), (80, 987302), (160, 493651), (263, 300320), (526, 150160), (1052, 75080), (1315, 60064), (1877, 42080), (2104, 37540), (2630, 30032), (3754, 21040), (4208, 18770), (5260, 15016), (7508, 10520), (8416, 9385)]