28726720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8161}}^1$

素因数の和:8189

約数の個数: 56

約数和(自身を含む): 74633328

約数和(自身を除く): 45906608

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 8161, 16322, 32644, 40805, 65288, 81610, 89771, 130576, 163220, 179542, 261152, 326440, 359084, 448855, 522304, 652880, 718168, 897710, 1305760, 1436336, 1795420, 2611520, 2872672, 3590840, 5745344, 7181680, 14363360, 28726720]

約数ペア:

[(1, 28726720), (2, 14363360), (4, 7181680), (5, 5745344), (8, 3590840), (10, 2872672), (11, 2611520), (16, 1795420), (20, 1436336), (22, 1305760), (32, 897710), (40, 718168), (44, 652880), (55, 522304), (64, 448855), (80, 359084), (88, 326440), (110, 261152), (160, 179542), (176, 163220), (220, 130576), (320, 89771), (352, 81610), (440, 65288), (704, 40805), (880, 32644), (1760, 16322), (3520, 8161)]