79806440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{285023}}^1$

素因数の和:285041

約数の個数: 32

約数和(自身を含む): 205217280

約数和(自身を除く): 125410840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 285023, 570046, 1140092, 1425115, 1995161, 2280184, 2850230, 3990322, 5700460, 7980644, 9975805, 11400920, 15961288, 19951610, 39903220, 79806440]

約数ペア:

[(1, 79806440), (2, 39903220), (4, 19951610), (5, 15961288), (7, 11400920), (8, 9975805), (10, 7980644), (14, 5700460), (20, 3990322), (28, 2850230), (35, 2280184), (40, 1995161), (56, 1425115), (70, 1140092), (140, 570046), (280, 285023)]