8775774920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19944943}}^1$

素因数の和:19944965

約数の個数: 32

約数和(自身を含む): 21540539520

約数和(自身を除く): 12764764600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19944943, 39889886, 79779772, 99724715, 159559544, 199449430, 219394373, 398898860, 438788746, 797797720, 877577492, 1096971865, 1755154984, 2193943730, 4387887460, 8775774920]

約数ペア:

[(1, 8775774920), (2, 4387887460), (4, 2193943730), (5, 1755154984), (8, 1096971865), (10, 877577492), (11, 797797720), (20, 438788746), (22, 398898860), (40, 219394373), (44, 199449430), (55, 159559544), (88, 99724715), (110, 79779772), (220, 39889886), (440, 19944943)]