72525640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{164831}}^1$

素因数の和:164853

約数の個数: 32

約数和(自身を含む): 178018560

約数和(自身を除く): 105492920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 164831, 329662, 659324, 824155, 1318648, 1648310, 1813141, 3296620, 3626282, 6593240, 7252564, 9065705, 14505128, 18131410, 36262820, 72525640]

約数ペア:

[(1, 72525640), (2, 36262820), (4, 18131410), (5, 14505128), (8, 9065705), (10, 7252564), (11, 6593240), (20, 3626282), (22, 3296620), (40, 1813141), (44, 1648310), (55, 1318648), (88, 824155), (110, 659324), (220, 329662), (440, 164831)]