166090180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{202549}}^1$

素因数の和:202599

約数の個数: 24

約数和(自身を含む): 357298200

約数和(自身を除く): 191208020

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 202549, 405098, 810196, 1012745, 2025490, 4050980, 8304509, 16609018, 33218036, 41522545, 83045090, 166090180]

約数ペア:

[(1, 166090180), (2, 83045090), (4, 41522545), (5, 33218036), (10, 16609018), (20, 8304509), (41, 4050980), (82, 2025490), (164, 1012745), (205, 810196), (410, 405098), (820, 202549)]