89657860

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{12919}}^1$

素因数の和:13275

約数の個数: 24

約数和(自身を含む): 188838720

約数和(自身を除く): 99180860

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 6940, 12919, 25838, 51676, 64595, 129190, 258380, 4482893, 8965786, 17931572, 22414465, 44828930, 89657860]

約数ペア:

[(1, 89657860), (2, 44828930), (4, 22414465), (5, 17931572), (10, 8965786), (20, 4482893), (347, 258380), (694, 129190), (1388, 64595), (1735, 51676), (3470, 25838), (6940, 12919)]