129660320

素因数分解:

$2^5\times 5^1\times {\mathrm{810377}}^1$

素因数の和:810392

約数の個数: 24

約数和(自身を含む): 306322884

約数和(自身を除く): 176662564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 810377, 1620754, 3241508, 4051885, 6483016, 8103770, 12966032, 16207540, 25932064, 32415080, 64830160, 129660320]

約数ペア:

[(1, 129660320), (2, 64830160), (4, 32415080), (5, 25932064), (8, 16207540), (10, 12966032), (16, 8103770), (20, 6483016), (32, 4051885), (40, 3241508), (80, 1620754), (160, 810377)]