6649840

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{823}}^1$

素因数の和:937

約数の個数: 40

約数和(自身を含む): 15632928

約数和(自身を除く): 8983088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 823, 1010, 1616, 1646, 2020, 3292, 4040, 4115, 6584, 8080, 8230, 13168, 16460, 32920, 65840, 83123, 166246, 332492, 415615, 664984, 831230, 1329968, 1662460, 3324920, 6649840]

約数ペア:

[(1, 6649840), (2, 3324920), (4, 1662460), (5, 1329968), (8, 831230), (10, 664984), (16, 415615), (20, 332492), (40, 166246), (80, 83123), (101, 65840), (202, 32920), (404, 16460), (505, 13168), (808, 8230), (823, 8080), (1010, 6584), (1616, 4115), (1646, 4040), (2020, 3292)]