8980280

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{487}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 20291040

約数和(自身を除く): 11310760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 487, 922, 974, 1844, 1948, 2305, 2435, 3688, 3896, 4610, 4870, 9220, 9740, 18440, 19480, 224507, 449014, 898028, 1122535, 1796056, 2245070, 4490140, 8980280]

約数ペア:

[(1, 8980280), (2, 4490140), (4, 2245070), (5, 1796056), (8, 1122535), (10, 898028), (20, 449014), (40, 224507), (461, 19480), (487, 18440), (922, 9740), (974, 9220), (1844, 4870), (1948, 4610), (2305, 3896), (2435, 3688)]