28761680

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1367}}^1$

素因数の和:1643

約数の個数: 40

約数和(自身を含む): 67174272

約数和(自身を除く): 38412592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 1367, 2104, 2630, 2734, 4208, 5260, 5468, 6835, 10520, 10936, 13670, 21040, 21872, 27340, 54680, 109360, 359521, 719042, 1438084, 1797605, 2876168, 3595210, 5752336, 7190420, 14380840, 28761680]

約数ペア:

[(1, 28761680), (2, 14380840), (4, 7190420), (5, 5752336), (8, 3595210), (10, 2876168), (16, 1797605), (20, 1438084), (40, 719042), (80, 359521), (263, 109360), (526, 54680), (1052, 27340), (1315, 21872), (1367, 21040), (2104, 13670), (2630, 10936), (2734, 10520), (4208, 6835), (5260, 5468)]