86789920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{77491}}^1$

素因数の和:77513

約数の個数: 48

約数和(自身を含む): 234335808

約数和(自身を除く): 147545888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 77491, 154982, 309964, 387455, 542437, 619928, 774910, 1084874, 1239856, 1549820, 2169748, 2479712, 2712185, 3099640, 4339496, 5424370, 6199280, 8678992, 10848740, 12398560, 17357984, 21697480, 43394960, 86789920]

約数ペア:

[(1, 86789920), (2, 43394960), (4, 21697480), (5, 17357984), (7, 12398560), (8, 10848740), (10, 8678992), (14, 6199280), (16, 5424370), (20, 4339496), (28, 3099640), (32, 2712185), (35, 2479712), (40, 2169748), (56, 1549820), (70, 1239856), (80, 1084874), (112, 774910), (140, 619928), (160, 542437), (224, 387455), (280, 309964), (560, 154982), (1120, 77491)]