67129460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{42487}}^1$

素因数の和:42575

約数の個数: 24

約数和(自身を含む): 142759680

約数和(自身を除く): 75630220

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 42487, 84974, 169948, 212435, 424870, 849740, 3356473, 6712946, 13425892, 16782365, 33564730, 67129460]

約数ペア:

[(1, 67129460), (2, 33564730), (4, 16782365), (5, 13425892), (10, 6712946), (20, 3356473), (79, 849740), (158, 424870), (316, 212435), (395, 169948), (790, 84974), (1580, 42487)]