12982540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6427}}^1$

素因数の和:6537

約数の個数: 24

約数和(自身を含む): 27537552

約数和(自身を除く): 14555012

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 6427, 12854, 25708, 32135, 64270, 128540, 649127, 1298254, 2596508, 3245635, 6491270, 12982540]

約数ペア:

[(1, 12982540), (2, 6491270), (4, 3245635), (5, 2596508), (10, 1298254), (20, 649127), (101, 128540), (202, 64270), (404, 32135), (505, 25708), (1010, 12854), (2020, 6427)]