90964240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{27733}}^1$

素因数の和:27787

約数の個数: 40

約数和(自身を含む): 216658008

約数和(自身を除く): 125693768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 27733, 55466, 110932, 138665, 221864, 277330, 443728, 554660, 1109320, 1137053, 2218640, 2274106, 4548212, 5685265, 9096424, 11370530, 18192848, 22741060, 45482120, 90964240]

約数ペア:

[(1, 90964240), (2, 45482120), (4, 22741060), (5, 18192848), (8, 11370530), (10, 9096424), (16, 5685265), (20, 4548212), (40, 2274106), (41, 2218640), (80, 1137053), (82, 1109320), (164, 554660), (205, 443728), (328, 277330), (410, 221864), (656, 138665), (820, 110932), (1640, 55466), (3280, 27733)]