87129560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311177}}^1$

素因数の和:311195

約数の個数: 32

約数和(自身を含む): 224048160

約数和(自身を除く): 136918600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311177, 622354, 1244708, 1555885, 2178239, 2489416, 3111770, 4356478, 6223540, 8712956, 10891195, 12447080, 17425912, 21782390, 43564780, 87129560]

約数ペア:

[(1, 87129560), (2, 43564780), (4, 21782390), (5, 17425912), (7, 12447080), (8, 10891195), (10, 8712956), (14, 6223540), (20, 4356478), (28, 3111770), (35, 2489416), (40, 2178239), (56, 1555885), (70, 1244708), (140, 622354), (280, 311177)]