104820080

素因数分解:

$2^4\times 5^1\times {\mathrm{1310251}}^1$

素因数の和:1310264

約数の個数: 20

約数和(自身を含む): 243706872

約数和(自身を除く): 138886792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1310251, 2620502, 5241004, 6551255, 10482008, 13102510, 20964016, 26205020, 52410040, 104820080]

約数ペア:

[(1, 104820080), (2, 52410040), (4, 26205020), (5, 20964016), (8, 13102510), (10, 10482008), (16, 6551255), (20, 5241004), (40, 2620502), (80, 1310251)]