27984920

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2903}}^1$

素因数の和:3155

約数の個数: 32

約数和(自身を含む): 63249120

約数和(自身を除く): 35264200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 2903, 4820, 5806, 9640, 11612, 14515, 23224, 29030, 58060, 116120, 699623, 1399246, 2798492, 3498115, 5596984, 6996230, 13992460, 27984920]

約数ペア:

[(1, 27984920), (2, 13992460), (4, 6996230), (5, 5596984), (8, 3498115), (10, 2798492), (20, 1399246), (40, 699623), (241, 116120), (482, 58060), (964, 29030), (1205, 23224), (1928, 14515), (2410, 11612), (2903, 9640), (4820, 5806)]