26180080

素因数分解:

$2^4\times 5^1\times {\mathrm{327251}}^1$

素因数の和:327264

約数の個数: 20

約数和(自身を含む): 60868872

約数和(自身を除く): 34688792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 327251, 654502, 1309004, 1636255, 2618008, 3272510, 5236016, 6545020, 13090040, 26180080]

約数ペア:

[(1, 26180080), (2, 13090040), (4, 6545020), (5, 5236016), (8, 3272510), (10, 2618008), (16, 1636255), (20, 1309004), (40, 654502), (80, 327251)]