80739580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 173416320

約数和(自身を除く): 92676740

約数列:

[1, 2, 4, 5, 10, 20, 79, 137, 158, 274, 316, 373, 395, 548, 685, 746, 790, 1370, 1492, 1580, 1865, 2740, 3730, 7460, 10823, 21646, 29467, 43292, 51101, 54115, 58934, 102202, 108230, 117868, 147335, 204404, 216460, 255505, 294670, 511010, 589340, 1022020, 4036979, 8073958, 16147916, 20184895, 40369790, 80739580]

約数ペア:

[(1, 80739580), (2, 40369790), (4, 20184895), (5, 16147916), (10, 8073958), (20, 4036979), (79, 1022020), (137, 589340), (158, 511010), (274, 294670), (316, 255505), (373, 216460), (395, 204404), (548, 147335), (685, 117868), (746, 108230), (790, 102202), (1370, 58934), (1492, 54115), (1580, 51101), (1865, 43292), (2740, 29467), (3730, 21646), (7460, 10823)]