82991380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101209}}^1$

素因数の和:101259

約数の個数: 24

約数和(自身を含む): 178534440

約数和(自身を除く): 95543060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 101209, 202418, 404836, 506045, 1012090, 2024180, 4149569, 8299138, 16598276, 20747845, 41495690, 82991380]

約数ペア:

[(1, 82991380), (2, 41495690), (4, 20747845), (5, 16598276), (10, 8299138), (20, 4149569), (41, 2024180), (82, 1012090), (164, 506045), (205, 404836), (410, 202418), (820, 101209)]