26205680

素因数分解:

$2^4\times 5^1\times {\mathrm{327571}}^1$

素因数の和:327584

約数の個数: 20

約数和(自身を含む): 60928392

約数和(自身を除く): 34722712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 327571, 655142, 1310284, 1637855, 2620568, 3275710, 5241136, 6551420, 13102840, 26205680]

約数ペア:

[(1, 26205680), (2, 13102840), (4, 6551420), (5, 5241136), (8, 3275710), (10, 2620568), (16, 1637855), (20, 1310284), (40, 655142), (80, 327571)]