12628420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90203}}^1$

素因数の和:90219

約数の個数: 24

約数和(自身を含む): 30308544

約数和(自身を除く): 17680124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90203, 180406, 360812, 451015, 631421, 902030, 1262842, 1804060, 2525684, 3157105, 6314210, 12628420]

約数ペア:

[(1, 12628420), (2, 6314210), (4, 3157105), (5, 2525684), (7, 1804060), (10, 1262842), (14, 902030), (20, 631421), (28, 451015), (35, 360812), (70, 180406), (140, 90203)]