855402920

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{141623}}^1$

素因数の和:141785

約数の個数: 32

約数和(自身を含む): 1937416320

約数和(自身を除く): 1082013400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 141623, 283246, 566492, 708115, 1132984, 1416230, 2832460, 5664920, 21385073, 42770146, 85540292, 106925365, 171080584, 213850730, 427701460, 855402920]

約数ペア:

[(1, 855402920), (2, 427701460), (4, 213850730), (5, 171080584), (8, 106925365), (10, 85540292), (20, 42770146), (40, 21385073), (151, 5664920), (302, 2832460), (604, 1416230), (755, 1132984), (1208, 708115), (1510, 566492), (3020, 283246), (6040, 141623)]