2017500080

素因数分解:

$2^4\times 5^1\times {\mathrm{25218751}}^1$

素因数の和:25218764

約数の個数: 20

約数和(自身を含む): 4690687872

約数和(自身を除く): 2673187792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25218751, 50437502, 100875004, 126093755, 201750008, 252187510, 403500016, 504375020, 1008750040, 2017500080]

約数ペア:

[(1, 2017500080), (2, 1008750040), (4, 504375020), (5, 403500016), (8, 252187510), (10, 201750008), (16, 126093755), (20, 100875004), (40, 50437502), (80, 25218751)]