79818640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90703}}^1$

素因数の和:90727

約数の個数: 40

約数和(自身を含む): 202451328

約数和(自身を除く): 122632688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 90703, 181406, 362812, 453515, 725624, 907030, 997733, 1451248, 1814060, 1995466, 3628120, 3990932, 4988665, 7256240, 7981864, 9977330, 15963728, 19954660, 39909320, 79818640]

約数ペア:

[(1, 79818640), (2, 39909320), (4, 19954660), (5, 15963728), (8, 9977330), (10, 7981864), (11, 7256240), (16, 4988665), (20, 3990932), (22, 3628120), (40, 1995466), (44, 1814060), (55, 1451248), (80, 997733), (88, 907030), (110, 725624), (176, 453515), (220, 362812), (440, 181406), (880, 90703)]