38988880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{69623}}^1$

素因数の和:69643

約数の個数: 40

約数和(自身を含む): 103600512

約数和(自身を除く): 64611632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 69623, 139246, 278492, 348115, 487361, 556984, 696230, 974722, 1113968, 1392460, 1949444, 2436805, 2784920, 3898888, 4873610, 5569840, 7797776, 9747220, 19494440, 38988880]

約数ペア:

[(1, 38988880), (2, 19494440), (4, 9747220), (5, 7797776), (7, 5569840), (8, 4873610), (10, 3898888), (14, 2784920), (16, 2436805), (20, 1949444), (28, 1392460), (35, 1113968), (40, 974722), (56, 696230), (70, 556984), (80, 487361), (112, 348115), (140, 278492), (280, 139246), (560, 69623)]