231805480

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{45631}}^1$

素因数の和:45769

約数の個数: 32

約数和(自身を含む): 525680640

約数和(自身を除く): 293875160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 45631, 91262, 182524, 228155, 365048, 456310, 912620, 1825240, 5795137, 11590274, 23180548, 28975685, 46361096, 57951370, 115902740, 231805480]

約数ペア:

[(1, 231805480), (2, 115902740), (4, 57951370), (5, 46361096), (8, 28975685), (10, 23180548), (20, 11590274), (40, 5795137), (127, 1825240), (254, 912620), (508, 456310), (635, 365048), (1016, 228155), (1270, 182524), (2540, 91262), (5080, 45631)]