220121480

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{43331}}^1$

素因数の和:43469

約数の個数: 32

約数和(自身を含む): 499184640

約数和(自身を除く): 279063160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 43331, 86662, 173324, 216655, 346648, 433310, 866620, 1733240, 5503037, 11006074, 22012148, 27515185, 44024296, 55030370, 110060740, 220121480]

約数ペア:

[(1, 220121480), (2, 110060740), (4, 55030370), (5, 44024296), (8, 27515185), (10, 22012148), (20, 11006074), (40, 5503037), (127, 1733240), (254, 866620), (508, 433310), (635, 346648), (1016, 216655), (1270, 173324), (2540, 86662), (5080, 43331)]