80804240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91823}}^1$

素因数の和:91847

約数の個数: 40

約数和(自身を含む): 204951168

約数和(自身を除く): 124146928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 91823, 183646, 367292, 459115, 734584, 918230, 1010053, 1469168, 1836460, 2020106, 3672920, 4040212, 5050265, 7345840, 8080424, 10100530, 16160848, 20201060, 40402120, 80804240]

約数ペア:

[(1, 80804240), (2, 40402120), (4, 20201060), (5, 16160848), (8, 10100530), (10, 8080424), (11, 7345840), (16, 5050265), (20, 4040212), (22, 3672920), (40, 2020106), (44, 1836460), (55, 1469168), (80, 1010053), (88, 918230), (110, 734584), (176, 459115), (220, 367292), (440, 183646), (880, 91823)]