8567020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5563}}^1$

素因数の和:5590

約数の個数: 48

約数和(自身を含む): 22434048

約数和(自身を除く): 13867028

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5563, 11126, 22252, 27815, 38941, 55630, 61193, 77882, 111260, 122386, 155764, 194705, 244772, 305965, 389410, 428351, 611930, 778820, 856702, 1223860, 1713404, 2141755, 4283510, 8567020]

約数ペア:

[(1, 8567020), (2, 4283510), (4, 2141755), (5, 1713404), (7, 1223860), (10, 856702), (11, 778820), (14, 611930), (20, 428351), (22, 389410), (28, 305965), (35, 244772), (44, 194705), (55, 155764), (70, 122386), (77, 111260), (110, 77882), (140, 61193), (154, 55630), (220, 38941), (308, 27815), (385, 22252), (770, 11126), (1540, 5563)]