42135280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47881}}^1$

素因数の和:47905

約数の個数: 40

約数和(自身を含む): 106872624

約数和(自身を除く): 64737344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 47881, 95762, 191524, 239405, 383048, 478810, 526691, 766096, 957620, 1053382, 1915240, 2106764, 2633455, 3830480, 4213528, 5266910, 8427056, 10533820, 21067640, 42135280]

約数ペア:

[(1, 42135280), (2, 21067640), (4, 10533820), (5, 8427056), (8, 5266910), (10, 4213528), (11, 3830480), (16, 2633455), (20, 2106764), (22, 1915240), (40, 1053382), (44, 957620), (55, 766096), (80, 526691), (88, 478810), (110, 383048), (176, 239405), (220, 191524), (440, 95762), (880, 47881)]