28235240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64171}}^1$

素因数の和:64193

約数の個数: 32

約数和(自身を含む): 69305760

約数和(自身を除く): 41070520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 64171, 128342, 256684, 320855, 513368, 641710, 705881, 1283420, 1411762, 2566840, 2823524, 3529405, 5647048, 7058810, 14117620, 28235240]

約数ペア:

[(1, 28235240), (2, 14117620), (4, 7058810), (5, 5647048), (8, 3529405), (10, 2823524), (11, 2566840), (20, 1411762), (22, 1283420), (40, 705881), (44, 641710), (55, 513368), (88, 320855), (110, 256684), (220, 128342), (440, 64171)]