20161257590

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1\times {\mathrm{66541}}^1$

素因数の和:67328

約数の個数: 32

約数和(自身を含む): 37226256480

約数和(自身を除く): 17064998890

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 739, 1478, 3695, 7390, 30299, 60598, 66541, 133082, 151495, 302990, 332705, 665410, 2728181, 5456362, 13640905, 27281810, 49173799, 98347598, 245868995, 491737990, 2016125759, 4032251518, 10080628795, 20161257590]

約数ペア:

[(1, 20161257590), (2, 10080628795), (5, 4032251518), (10, 2016125759), (41, 491737990), (82, 245868995), (205, 98347598), (410, 49173799), (739, 27281810), (1478, 13640905), (3695, 5456362), (7390, 2728181), (30299, 665410), (60598, 332705), (66541, 302990), (133082, 151495)]