100281520

素因数分解:

$2^4\times 5^1\times {\mathrm{1253519}}^1$

素因数の和:1253532

約数の個数: 20

約数和(自身を含む): 233154720

約数和(自身を除く): 132873200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1253519, 2507038, 5014076, 6267595, 10028152, 12535190, 20056304, 25070380, 50140760, 100281520]

約数ペア:

[(1, 100281520), (2, 50140760), (4, 25070380), (5, 20056304), (8, 12535190), (10, 10028152), (16, 6267595), (20, 5014076), (40, 2507038), (80, 1253519)]