13106420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 28643328

約数和(自身を除く): 15536908

約数列:

[1, 2, 4, 5, 10, 20, 47, 73, 94, 146, 188, 191, 235, 292, 365, 382, 470, 730, 764, 940, 955, 1460, 1910, 3431, 3820, 6862, 8977, 13724, 13943, 17155, 17954, 27886, 34310, 35908, 44885, 55772, 68620, 69715, 89770, 139430, 179540, 278860, 655321, 1310642, 2621284, 3276605, 6553210, 13106420]

約数ペア:

[(1, 13106420), (2, 6553210), (4, 3276605), (5, 2621284), (10, 1310642), (20, 655321), (47, 278860), (73, 179540), (94, 139430), (146, 89770), (188, 69715), (191, 68620), (235, 55772), (292, 44885), (365, 35908), (382, 34310), (470, 27886), (730, 17954), (764, 17155), (940, 13943), (955, 13724), (1460, 8977), (1910, 6862), (3431, 3820)]