4400080

素因数分解:

$2^4\times 5^1\times {\mathrm{55001}}^1$

素因数の和:55014

約数の個数: 20

約数和(自身を含む): 10230372

約数和(自身を除く): 5830292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 55001, 110002, 220004, 275005, 440008, 550010, 880016, 1100020, 2200040, 4400080]

約数ペア:

[(1, 4400080), (2, 2200040), (4, 1100020), (5, 880016), (8, 550010), (10, 440008), (16, 275005), (20, 220004), (40, 110002), (80, 55001)]