180182020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1861}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 390394368

約数和(自身を除く): 210212348

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 103, 188, 206, 235, 412, 470, 515, 940, 1030, 1861, 2060, 3722, 4841, 7444, 9305, 9682, 18610, 19364, 24205, 37220, 48410, 87467, 96820, 174934, 191683, 349868, 383366, 437335, 766732, 874670, 958415, 1749340, 1916830, 3833660, 9009101, 18018202, 36036404, 45045505, 90091010, 180182020]

約数ペア:

[(1, 180182020), (2, 90091010), (4, 45045505), (5, 36036404), (10, 18018202), (20, 9009101), (47, 3833660), (94, 1916830), (103, 1749340), (188, 958415), (206, 874670), (235, 766732), (412, 437335), (470, 383366), (515, 349868), (940, 191683), (1030, 174934), (1861, 96820), (2060, 87467), (3722, 48410), (4841, 37220), (7444, 24205), (9305, 19364), (9682, 18610)]