80717390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4889}}^1$

素因数の和:5036

約数の個数: 32

約数和(自身を含む): 157731840

約数和(自身を除く): 77014450

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1270, 1651, 3302, 4889, 8255, 9778, 16510, 24445, 48890, 63557, 127114, 317785, 620903, 635570, 1241806, 3104515, 6209030, 8071739, 16143478, 40358695, 80717390]

約数ペア:

[(1, 80717390), (2, 40358695), (5, 16143478), (10, 8071739), (13, 6209030), (26, 3104515), (65, 1241806), (127, 635570), (130, 620903), (254, 317785), (635, 127114), (1270, 63557), (1651, 48890), (3302, 24445), (4889, 16510), (8255, 9778)]