51960080

素因数分解:

$2^4\times 5^1\times {\mathrm{649501}}^1$

素因数の和:649514

約数の個数: 20

約数和(自身を含む): 120807372

約数和(自身を除く): 68847292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 649501, 1299002, 2598004, 3247505, 5196008, 6495010, 10392016, 12990020, 25980040, 51960080]

約数ペア:

[(1, 51960080), (2, 25980040), (4, 12990020), (5, 10392016), (8, 6495010), (10, 5196008), (16, 3247505), (20, 2598004), (40, 1299002), (80, 649501)]