25687980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{142711}}^1$

素因数の和:142726

約数の個数: 36

約数和(自身を含む): 77920752

約数和(自身を除く): 52232772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 142711, 285422, 428133, 570844, 713555, 856266, 1284399, 1427110, 1712532, 2140665, 2568798, 2854220, 4281330, 5137596, 6421995, 8562660, 12843990, 25687980]

約数ペア:

[(1, 25687980), (2, 12843990), (3, 8562660), (4, 6421995), (5, 5137596), (6, 4281330), (9, 2854220), (10, 2568798), (12, 2140665), (15, 1712532), (18, 1427110), (20, 1284399), (30, 856266), (36, 713555), (45, 570844), (60, 428133), (90, 285422), (180, 142711)]