18089440

素因数分解:

$2^5\times 5^1\times {\mathrm{167}}^1\times {\mathrm{677}}^1$

素因数の和:859

約数の個数: 48

約数和(自身を含む): 43055712

約数和(自身を除く): 24966272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 668, 677, 835, 1336, 1354, 1670, 2672, 2708, 3340, 3385, 5344, 5416, 6680, 6770, 10832, 13360, 13540, 21664, 26720, 27080, 54160, 108320, 113059, 226118, 452236, 565295, 904472, 1130590, 1808944, 2261180, 3617888, 4522360, 9044720, 18089440]

約数ペア:

[(1, 18089440), (2, 9044720), (4, 4522360), (5, 3617888), (8, 2261180), (10, 1808944), (16, 1130590), (20, 904472), (32, 565295), (40, 452236), (80, 226118), (160, 113059), (167, 108320), (334, 54160), (668, 27080), (677, 26720), (835, 21664), (1336, 13540), (1354, 13360), (1670, 10832), (2672, 6770), (2708, 6680), (3340, 5416), (3385, 5344)]