16281040

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1801}}^1$

素因数の和:1927

約数の個数: 40

約数和(自身を含む): 38209608

約数和(自身を除く): 21928568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1801, 1808, 2260, 3602, 4520, 7204, 9005, 9040, 14408, 18010, 28816, 36020, 72040, 144080, 203513, 407026, 814052, 1017565, 1628104, 2035130, 3256208, 4070260, 8140520, 16281040]

約数ペア:

[(1, 16281040), (2, 8140520), (4, 4070260), (5, 3256208), (8, 2035130), (10, 1628104), (16, 1017565), (20, 814052), (40, 407026), (80, 203513), (113, 144080), (226, 72040), (452, 36020), (565, 28816), (904, 18010), (1130, 14408), (1801, 9040), (1808, 9005), (2260, 7204), (3602, 4520)]