11991320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27253}}^1$

素因数の和:27275

約数の個数: 32

約数和(自身を含む): 29434320

約数和(自身を除く): 17443000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 27253, 54506, 109012, 136265, 218024, 272530, 299783, 545060, 599566, 1090120, 1199132, 1498915, 2398264, 2997830, 5995660, 11991320]

約数ペア:

[(1, 11991320), (2, 5995660), (4, 2997830), (5, 2398264), (8, 1498915), (10, 1199132), (11, 1090120), (20, 599566), (22, 545060), (40, 299783), (44, 272530), (55, 218024), (88, 136265), (110, 109012), (220, 54506), (440, 27253)]