12212920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3023}}^1$

素因数の和:3135

約数の個数: 32

約数和(自身を含む): 27760320

約数和(自身を除く): 15547400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 3023, 4040, 6046, 12092, 15115, 24184, 30230, 60460, 120920, 305323, 610646, 1221292, 1526615, 2442584, 3053230, 6106460, 12212920]

約数ペア:

[(1, 12212920), (2, 6106460), (4, 3053230), (5, 2442584), (8, 1526615), (10, 1221292), (20, 610646), (40, 305323), (101, 120920), (202, 60460), (404, 30230), (505, 24184), (808, 15115), (1010, 12092), (2020, 6046), (3023, 4040)]