15428840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{55103}}^1$

素因数の和:55121

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 24246040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 55103, 110206, 220412, 275515, 385721, 440824, 551030, 771442, 1102060, 1542884, 1928605, 2204120, 3085768, 3857210, 7714420, 15428840]

約数ペア:

[(1, 15428840), (2, 7714420), (4, 3857210), (5, 3085768), (7, 2204120), (8, 1928605), (10, 1542884), (14, 1102060), (20, 771442), (28, 551030), (35, 440824), (40, 385721), (56, 275515), (70, 220412), (140, 110206), (280, 55103)]