80789776

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{117427}}^1$

素因数の和:117478

約数の個数: 20

約数和(自身を含む): 160171792

約数和(自身を除く): 79382016

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 117427, 234854, 469708, 939416, 1878832, 5049361, 10098722, 20197444, 40394888, 80789776]

約数ペア:

[(1, 80789776), (2, 40394888), (4, 20197444), (8, 10098722), (16, 5049361), (43, 1878832), (86, 939416), (172, 469708), (344, 234854), (688, 117427)]