79724920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181193}}^1$

素因数の和:181215

約数の個数: 32

約数和(自身を含む): 195689520

約数和(自身を除く): 115964600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 181193, 362386, 724772, 905965, 1449544, 1811930, 1993123, 3623860, 3986246, 7247720, 7972492, 9965615, 15944984, 19931230, 39862460, 79724920]

約数ペア:

[(1, 79724920), (2, 39862460), (4, 19931230), (5, 15944984), (8, 9965615), (10, 7972492), (11, 7247720), (20, 3986246), (22, 3623860), (40, 1993123), (44, 1811930), (55, 1449544), (88, 905965), (110, 724772), (220, 362386), (440, 181193)]