27929780

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4219}}^1$

素因数の和:4559

約数の個数: 24

約数和(自身を含む): 58843680

約数和(自身を除く): 30913900

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 4219, 6620, 8438, 16876, 21095, 42190, 84380, 1396489, 2792978, 5585956, 6982445, 13964890, 27929780]

約数ペア:

[(1, 27929780), (2, 13964890), (4, 6982445), (5, 5585956), (10, 2792978), (20, 1396489), (331, 84380), (662, 42190), (1324, 21095), (1655, 16876), (3310, 8438), (4219, 6620)]