8739920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{15607}}^1$

素因数の和:15627

約数の個数: 40

約数和(自身を含む): 23224704

約数和(自身を除く): 14484784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 15607, 31214, 62428, 78035, 109249, 124856, 156070, 218498, 249712, 312140, 436996, 546245, 624280, 873992, 1092490, 1248560, 1747984, 2184980, 4369960, 8739920]

約数ペア:

[(1, 8739920), (2, 4369960), (4, 2184980), (5, 1747984), (7, 1248560), (8, 1092490), (10, 873992), (14, 624280), (16, 546245), (20, 436996), (28, 312140), (35, 249712), (40, 218498), (56, 156070), (70, 124856), (80, 109249), (112, 78035), (140, 62428), (280, 31214), (560, 15607)]