139007720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{112103}}^1$

素因数の和:112145

約数の個数: 32

約数和(自身を含む): 322859520

約数和(自身を除く): 183851800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 112103, 224206, 448412, 560515, 896824, 1121030, 2242060, 3475193, 4484120, 6950386, 13900772, 17375965, 27801544, 34751930, 69503860, 139007720]

約数ペア:

[(1, 139007720), (2, 69503860), (4, 34751930), (5, 27801544), (8, 17375965), (10, 13900772), (20, 6950386), (31, 4484120), (40, 3475193), (62, 2242060), (124, 1121030), (155, 896824), (248, 560515), (310, 448412), (620, 224206), (1240, 112103)]