80704564

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 152409600

約数和(自身を除く): 71705036

約数列:

[1, 2, 4, 29, 41, 58, 71, 82, 116, 142, 164, 239, 284, 478, 956, 1189, 2059, 2378, 2911, 4118, 4756, 5822, 6931, 8236, 9799, 11644, 13862, 16969, 19598, 27724, 33938, 39196, 67876, 84419, 168838, 284171, 337676, 492101, 568342, 695729, 984202, 1136684, 1391458, 1968404, 2782916, 20176141, 40352282, 80704564]

約数ペア:

[(1, 80704564), (2, 40352282), (4, 20176141), (29, 2782916), (41, 1968404), (58, 1391458), (71, 1136684), (82, 984202), (116, 695729), (142, 568342), (164, 492101), (239, 337676), (284, 284171), (478, 168838), (956, 84419), (1189, 67876), (2059, 39196), (2378, 33938), (2911, 27724), (4118, 19598), (4756, 16969), (5822, 13862), (6931, 11644), (8236, 9799)]