80549740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 194201280

約数和(自身を除く): 113651540

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 37, 38, 68, 74, 76, 85, 95, 148, 170, 185, 190, 323, 337, 340, 370, 380, 629, 646, 674, 703, 740, 1258, 1292, 1348, 1406, 1615, 1685, 2516, 2812, 3145, 3230, 3370, 3515, 5729, 6290, 6403, 6460, 6740, 7030, 11458, 11951, 12469, 12580, 12806, 14060, 22916, 23902, 24938, 25612, 28645, 32015, 47804, 49876, 57290, 59755, 62345, 64030, 108851, 114580, 119510, 124690, 128060, 211973, 217702, 236911, 239020, 249380, 423946, 435404, 473822, 544255, 847892, 947644, 1059865, 1088510, 1184555, 2119730, 2177020, 2369110, 4027487, 4239460, 4738220, 8054974, 16109948, 20137435, 40274870, 80549740]

約数ペア:

[(1, 80549740), (2, 40274870), (4, 20137435), (5, 16109948), (10, 8054974), (17, 4738220), (19, 4239460), (20, 4027487), (34, 2369110), (37, 2177020), (38, 2119730), (68, 1184555), (74, 1088510), (76, 1059865), (85, 947644), (95, 847892), (148, 544255), (170, 473822), (185, 435404), (190, 423946), (323, 249380), (337, 239020), (340, 236911), (370, 217702), (380, 211973), (629, 128060), (646, 124690), (674, 119510), (703, 114580), (740, 108851), (1258, 64030), (1292, 62345), (1348, 59755), (1406, 57290), (1615, 49876), (1685, 47804), (2516, 32015), (2812, 28645), (3145, 25612), (3230, 24938), (3370, 23902), (3515, 22916), (5729, 14060), (6290, 12806), (6403, 12580), (6460, 12469), (6740, 11951), (7030, 11458)]