27547760

素因数分解:

$2^4\times 5^1\times {\mathrm{344347}}^1$

素因数の和:344360

約数の個数: 20

約数和(自身を含む): 64048728

約数和(自身を除く): 36500968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 344347, 688694, 1377388, 1721735, 2754776, 3443470, 5509552, 6886940, 13773880, 27547760]

約数ペア:

[(1, 27547760), (2, 13773880), (4, 6886940), (5, 5509552), (8, 3443470), (10, 2754776), (16, 1721735), (20, 1377388), (40, 688694), (80, 344347)]