12408560

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1423}}^1$

素因数の和:1545

約数の個数: 40

約数和(自身を含む): 29135040

約数和(自身を除く): 16726480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1423, 1744, 2180, 2846, 4360, 5692, 7115, 8720, 11384, 14230, 22768, 28460, 56920, 113840, 155107, 310214, 620428, 775535, 1240856, 1551070, 2481712, 3102140, 6204280, 12408560]

約数ペア:

[(1, 12408560), (2, 6204280), (4, 3102140), (5, 2481712), (8, 1551070), (10, 1240856), (16, 775535), (20, 620428), (40, 310214), (80, 155107), (109, 113840), (218, 56920), (436, 28460), (545, 22768), (872, 14230), (1090, 11384), (1423, 8720), (1744, 7115), (2180, 5692), (2846, 4360)]