19544800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2221}}^1$

素因数の和:2252

約数の個数: 72

約数和(自身を含む): 52074792

約数和(自身を除く): 32529992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2221, 4400, 4442, 8800, 8884, 11105, 17768, 22210, 24431, 35536, 44420, 48862, 55525, 71072, 88840, 97724, 111050, 122155, 177680, 195448, 222100, 244310, 355360, 390896, 444200, 488620, 610775, 781792, 888400, 977240, 1221550, 1776800, 1954480, 2443100, 3908960, 4886200, 9772400, 19544800]

約数ペア:

[(1, 19544800), (2, 9772400), (4, 4886200), (5, 3908960), (8, 2443100), (10, 1954480), (11, 1776800), (16, 1221550), (20, 977240), (22, 888400), (25, 781792), (32, 610775), (40, 488620), (44, 444200), (50, 390896), (55, 355360), (80, 244310), (88, 222100), (100, 195448), (110, 177680), (160, 122155), (176, 111050), (200, 97724), (220, 88840), (275, 71072), (352, 55525), (400, 48862), (440, 44420), (550, 35536), (800, 24431), (880, 22210), (1100, 17768), (1760, 11105), (2200, 8884), (2221, 8800), (4400, 4442)]