15674802040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{65563}}^1$

素因数の和:65756

約数の個数: 64

約数和(自身を含む): 36348681600

約数和(自身を除く): 20673879560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 139, 172, 215, 278, 344, 430, 556, 695, 860, 1112, 1390, 1720, 2780, 5560, 5977, 11954, 23908, 29885, 47816, 59770, 65563, 119540, 131126, 239080, 262252, 327815, 524504, 655630, 1311260, 2622520, 2819209, 5638418, 9113257, 11276836, 14096045, 18226514, 22553672, 28192090, 36453028, 45566285, 56384180, 72906056, 91132570, 112768360, 182265140, 364530280, 391870051, 783740102, 1567480204, 1959350255, 3134960408, 3918700510, 7837401020, 15674802040]

約数ペア:

[(1, 15674802040), (2, 7837401020), (4, 3918700510), (5, 3134960408), (8, 1959350255), (10, 1567480204), (20, 783740102), (40, 391870051), (43, 364530280), (86, 182265140), (139, 112768360), (172, 91132570), (215, 72906056), (278, 56384180), (344, 45566285), (430, 36453028), (556, 28192090), (695, 22553672), (860, 18226514), (1112, 14096045), (1390, 11276836), (1720, 9113257), (2780, 5638418), (5560, 2819209), (5977, 2622520), (11954, 1311260), (23908, 655630), (29885, 524504), (47816, 327815), (59770, 262252), (65563, 239080), (119540, 131126)]