80626480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91621}}^1$

素因数の和:91645

約数の個数: 40

約数和(自身を含む): 204500304

約数和(自身を除く): 123873824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 91621, 183242, 366484, 458105, 732968, 916210, 1007831, 1465936, 1832420, 2015662, 3664840, 4031324, 5039155, 7329680, 8062648, 10078310, 16125296, 20156620, 40313240, 80626480]

約数ペア:

[(1, 80626480), (2, 40313240), (4, 20156620), (5, 16125296), (8, 10078310), (10, 8062648), (11, 7329680), (16, 5039155), (20, 4031324), (22, 3664840), (40, 2015662), (44, 1832420), (55, 1465936), (80, 1007831), (88, 916210), (110, 732968), (176, 458105), (220, 366484), (440, 183242), (880, 91621)]