80902165

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 103814784

約数和(自身を除く): 22912619

約数列:

[1, 5, 37, 61, 67, 107, 185, 305, 335, 535, 2257, 2479, 3959, 4087, 6527, 7169, 11285, 12395, 19795, 20435, 32635, 35845, 151219, 241499, 265253, 437309, 756095, 1207495, 1326265, 2186545, 16180433, 80902165]

約数ペア:

[(1, 80902165), (5, 16180433), (37, 2186545), (61, 1326265), (67, 1207495), (107, 756095), (185, 437309), (305, 265253), (335, 241499), (535, 151219), (2257, 35845), (2479, 32635), (3959, 20435), (4087, 19795), (6527, 12395), (7169, 11285)]