168677680

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{8017}}^1$

素因数の和:8293

約数の個数: 40

約数和(自身を含む): 393715872

約数和(自身を除く): 225038192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 4208, 5260, 8017, 10520, 16034, 21040, 32068, 40085, 64136, 80170, 128272, 160340, 320680, 641360, 2108471, 4216942, 8433884, 10542355, 16867768, 21084710, 33735536, 42169420, 84338840, 168677680]

約数ペア:

[(1, 168677680), (2, 84338840), (4, 42169420), (5, 33735536), (8, 21084710), (10, 16867768), (16, 10542355), (20, 8433884), (40, 4216942), (80, 2108471), (263, 641360), (526, 320680), (1052, 160340), (1315, 128272), (2104, 80170), (2630, 64136), (4208, 40085), (5260, 32068), (8017, 21040), (10520, 16034)]