67148420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{42499}}^1$

素因数の和:42587

約数の個数: 24

約数和(自身を含む): 142800000

約数和(自身を除く): 75651580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 42499, 84998, 169996, 212495, 424990, 849980, 3357421, 6714842, 13429684, 16787105, 33574210, 67148420]

約数ペア:

[(1, 67148420), (2, 33574210), (4, 16787105), (5, 13429684), (10, 6714842), (20, 3357421), (79, 849980), (158, 424990), (316, 212495), (395, 169996), (790, 84998), (1580, 42499)]