2018241520

素因数分解:

$2^4\times 5^1\times {\mathrm{25228019}}^1$

素因数の和:25228032

約数の個数: 20

約数和(自身を含む): 4692411720

約数和(自身を除く): 2674170200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25228019, 50456038, 100912076, 126140095, 201824152, 252280190, 403648304, 504560380, 1009120760, 2018241520]

約数ペア:

[(1, 2018241520), (2, 1009120760), (4, 504560380), (5, 403648304), (8, 252280190), (10, 201824152), (16, 126140095), (20, 100912076), (40, 50456038), (80, 25228019)]