12808270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 24145920

約数和(自身を除く): 11337650

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 523, 790, 1046, 2449, 2615, 4898, 5230, 12245, 16213, 24490, 32426, 41317, 81065, 82634, 162130, 206585, 413170, 1280827, 2561654, 6404135, 12808270]

約数ペア:

[(1, 12808270), (2, 6404135), (5, 2561654), (10, 1280827), (31, 413170), (62, 206585), (79, 162130), (155, 82634), (158, 81065), (310, 41317), (395, 32426), (523, 24490), (790, 16213), (1046, 12245), (2449, 5230), (2615, 4898)]