90124780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{57041}}^1$

素因数の和:57129

約数の個数: 24

約数和(自身を含む): 191661120

約数和(自身を除く): 101536340

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 57041, 114082, 228164, 285205, 570410, 1140820, 4506239, 9012478, 18024956, 22531195, 45062390, 90124780]

約数ペア:

[(1, 90124780), (2, 45062390), (4, 22531195), (5, 18024956), (10, 9012478), (20, 4506239), (79, 1140820), (158, 570410), (316, 285205), (395, 228164), (790, 114082), (1580, 57041)]