180836140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{531871}}^1$

素因数の和:531897

約数の個数: 24

約数和(自身を含む): 402095232

約数和(自身を除く): 221259092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 531871, 1063742, 2127484, 2659355, 5318710, 9041807, 10637420, 18083614, 36167228, 45209035, 90418070, 180836140]

約数ペア:

[(1, 180836140), (2, 90418070), (4, 45209035), (5, 36167228), (10, 18083614), (17, 10637420), (20, 9041807), (34, 5318710), (68, 2659355), (85, 2127484), (170, 1063742), (340, 531871)]