26678450440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15510727}}^1$

素因数の和:15510781

約数の個数: 32

約数和(自身を含む): 61422482880

約数和(自身を除く): 34744032440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 15510727, 31021454, 62042908, 77553635, 124085816, 155107270, 310214540, 620429080, 666961261, 1333922522, 2667845044, 3334806305, 5335690088, 6669612610, 13339225220, 26678450440]

約数ペア:

[(1, 26678450440), (2, 13339225220), (4, 6669612610), (5, 5335690088), (8, 3334806305), (10, 2667845044), (20, 1333922522), (40, 666961261), (43, 620429080), (86, 310214540), (172, 155107270), (215, 124085816), (344, 77553635), (430, 62042908), (860, 31021454), (1720, 15510727)]