28838480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32771}}^1$

素因数の和:32795

約数の個数: 40

約数和(自身を含む): 73147104

約数和(自身を除く): 44308624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32771, 65542, 131084, 163855, 262168, 327710, 360481, 524336, 655420, 720962, 1310840, 1441924, 1802405, 2621680, 2883848, 3604810, 5767696, 7209620, 14419240, 28838480]

約数ペア:

[(1, 28838480), (2, 14419240), (4, 7209620), (5, 5767696), (8, 3604810), (10, 2883848), (11, 2621680), (16, 1802405), (20, 1441924), (22, 1310840), (40, 720962), (44, 655420), (55, 524336), (80, 360481), (88, 327710), (110, 262168), (176, 163855), (220, 131084), (440, 65542), (880, 32771)]