129374480

素因数分解:

$2^4\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1783}}^1$

素因数の和:2703

約数の個数: 40

約数和(自身を含む): 301296192

約数和(自身を除く): 171921712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 907, 1783, 1814, 3566, 3628, 4535, 7132, 7256, 8915, 9070, 14264, 14512, 17830, 18140, 28528, 35660, 36280, 71320, 72560, 142640, 1617181, 3234362, 6468724, 8085905, 12937448, 16171810, 25874896, 32343620, 64687240, 129374480]

約数ペア:

[(1, 129374480), (2, 64687240), (4, 32343620), (5, 25874896), (8, 16171810), (10, 12937448), (16, 8085905), (20, 6468724), (40, 3234362), (80, 1617181), (907, 142640), (1783, 72560), (1814, 71320), (3566, 36280), (3628, 35660), (4535, 28528), (7132, 18140), (7256, 17830), (8915, 14512), (9070, 14264)]