808045180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{3733}}^1$

素因数の和:3958

約数の個数: 48

約数和(自身を含む): 1731381120

約数和(自身を除く): 923335940

約数列:

[1, 2, 4, 5, 10, 20, 79, 137, 158, 274, 316, 395, 548, 685, 790, 1370, 1580, 2740, 3733, 7466, 10823, 14932, 18665, 21646, 37330, 43292, 54115, 74660, 108230, 216460, 294907, 511421, 589814, 1022842, 1179628, 1474535, 2045684, 2557105, 2949070, 5114210, 5898140, 10228420, 40402259, 80804518, 161609036, 202011295, 404022590, 808045180]

約数ペア:

[(1, 808045180), (2, 404022590), (4, 202011295), (5, 161609036), (10, 80804518), (20, 40402259), (79, 10228420), (137, 5898140), (158, 5114210), (274, 2949070), (316, 2557105), (395, 2045684), (548, 1474535), (685, 1179628), (790, 1022842), (1370, 589814), (1580, 511421), (2740, 294907), (3733, 216460), (7466, 108230), (10823, 74660), (14932, 54115), (18665, 43292), (21646, 37330)]