1300281520

素因数分解:

$2^4\times 5^1\times {\mathrm{16253519}}^1$

素因数の和:16253532

約数の個数: 20

約数和(自身を含む): 3023154720

約数和(自身を除く): 1722873200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16253519, 32507038, 65014076, 81267595, 130028152, 162535190, 260056304, 325070380, 650140760, 1300281520]

約数ペア:

[(1, 1300281520), (2, 650140760), (4, 325070380), (5, 260056304), (8, 162535190), (10, 130028152), (16, 81267595), (20, 65014076), (40, 32507038), (80, 16253519)]