80590840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16651}}^1$

素因数の和:16684

約数の個数: 48

約数和(自身を含む): 199324440

約数和(自身を除く): 118733600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 16651, 33302, 66604, 83255, 133208, 166510, 183161, 333020, 366322, 666040, 732644, 915805, 1465288, 1831610, 2014771, 3663220, 4029542, 7326440, 8059084, 10073855, 16118168, 20147710, 40295420, 80590840]

約数ペア:

[(1, 80590840), (2, 40295420), (4, 20147710), (5, 16118168), (8, 10073855), (10, 8059084), (11, 7326440), (20, 4029542), (22, 3663220), (40, 2014771), (44, 1831610), (55, 1465288), (88, 915805), (110, 732644), (121, 666040), (220, 366322), (242, 333020), (440, 183161), (484, 166510), (605, 133208), (968, 83255), (1210, 66604), (2420, 33302), (4840, 16651)]