8712280

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1259}}^1$

素因数の和:1443

約数の個数: 32

約数和(自身を含む): 19731600

約数和(自身を除く): 11019320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1259, 1384, 1730, 2518, 3460, 5036, 6295, 6920, 10072, 12590, 25180, 50360, 217807, 435614, 871228, 1089035, 1742456, 2178070, 4356140, 8712280]

約数ペア:

[(1, 8712280), (2, 4356140), (4, 2178070), (5, 1742456), (8, 1089035), (10, 871228), (20, 435614), (40, 217807), (173, 50360), (346, 25180), (692, 12590), (865, 10072), (1259, 6920), (1384, 6295), (1730, 5036), (2518, 3460)]