40312120

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12757}}^1$

素因数の和:12847

約数の個数: 32

約数和(自身を含む): 91857600

約数和(自身を除く): 51545480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 12757, 25514, 51028, 63785, 102056, 127570, 255140, 510280, 1007803, 2015606, 4031212, 5039015, 8062424, 10078030, 20156060, 40312120]

約数ペア:

[(1, 40312120), (2, 20156060), (4, 10078030), (5, 8062424), (8, 5039015), (10, 4031212), (20, 2015606), (40, 1007803), (79, 510280), (158, 255140), (316, 127570), (395, 102056), (632, 63785), (790, 51028), (1580, 25514), (3160, 12757)]