51001520

素因数分解:

$2^4\times 5^1\times {\mathrm{637519}}^1$

素因数の和:637532

約数の個数: 20

約数和(自身を含む): 118578720

約数和(自身を除く): 67577200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 637519, 1275038, 2550076, 3187595, 5100152, 6375190, 10200304, 12750380, 25500760, 51001520]

約数ペア:

[(1, 51001520), (2, 25500760), (4, 12750380), (5, 10200304), (8, 6375190), (10, 5100152), (16, 3187595), (20, 2550076), (40, 1275038), (80, 637519)]