90061640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{27127}}^1$

素因数の和:27221

約数の個数: 32

約数和(自身を含む): 205087680

約数和(自身を除く): 115026040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 27127, 54254, 108508, 135635, 217016, 271270, 542540, 1085080, 2251541, 4503082, 9006164, 11257705, 18012328, 22515410, 45030820, 90061640]

約数ペア:

[(1, 90061640), (2, 45030820), (4, 22515410), (5, 18012328), (8, 11257705), (10, 9006164), (20, 4503082), (40, 2251541), (83, 1085080), (166, 542540), (332, 271270), (415, 217016), (664, 135635), (830, 108508), (1660, 54254), (3320, 27127)]