284381480

素因数分解:

$2^3\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{5507}}^1$

素因数の和:6809

約数の個数: 32

約数和(自身を含む): 640470240

約数和(自身を除く): 356088760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1291, 2582, 5164, 5507, 6455, 10328, 11014, 12910, 22028, 25820, 27535, 44056, 51640, 55070, 110140, 220280, 7109537, 14219074, 28438148, 35547685, 56876296, 71095370, 142190740, 284381480]

約数ペア:

[(1, 284381480), (2, 142190740), (4, 71095370), (5, 56876296), (8, 35547685), (10, 28438148), (20, 14219074), (40, 7109537), (1291, 220280), (2582, 110140), (5164, 55070), (5507, 51640), (6455, 44056), (10328, 27535), (11014, 25820), (12910, 22028)]