180828280

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{17189}}^1$

素因数の和:17463

約数の個数: 32

約数和(自身を含む): 408434400

約数和(自身を除く): 227606120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 17189, 34378, 68756, 85945, 137512, 171890, 343780, 687560, 4520707, 9041414, 18082828, 22603535, 36165656, 45207070, 90414140, 180828280]

約数ペア:

[(1, 180828280), (2, 90414140), (4, 45207070), (5, 36165656), (8, 22603535), (10, 18082828), (20, 9041414), (40, 4520707), (263, 687560), (526, 343780), (1052, 171890), (1315, 137512), (2104, 85945), (2630, 68756), (5260, 34378), (10520, 17189)]