20480454544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79867}}^1$

素因数の和:79964

約数の個数: 80

約数和(自身を含む): 45635936256

約数和(自身を除く): 25155481712

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 47, 62, 88, 94, 124, 176, 188, 248, 341, 376, 496, 517, 682, 752, 1034, 1364, 1457, 2068, 2728, 2914, 4136, 5456, 5828, 8272, 11656, 16027, 23312, 32054, 64108, 79867, 128216, 159734, 256432, 319468, 638936, 878537, 1277872, 1757074, 2475877, 3514148, 3753749, 4951754, 7028296, 7507498, 9903508, 14056592, 15014996, 19807016, 27234647, 30029992, 39614032, 41291239, 54469294, 60059984, 82582478, 108938588, 116366219, 165164956, 217877176, 232732438, 330329912, 435754352, 465464876, 660659824, 930929752, 1280028409, 1861859504, 2560056818, 5120113636, 10240227272, 20480454544]

約数ペア:

[(1, 20480454544), (2, 10240227272), (4, 5120113636), (8, 2560056818), (11, 1861859504), (16, 1280028409), (22, 930929752), (31, 660659824), (44, 465464876), (47, 435754352), (62, 330329912), (88, 232732438), (94, 217877176), (124, 165164956), (176, 116366219), (188, 108938588), (248, 82582478), (341, 60059984), (376, 54469294), (496, 41291239), (517, 39614032), (682, 30029992), (752, 27234647), (1034, 19807016), (1364, 15014996), (1457, 14056592), (2068, 9903508), (2728, 7507498), (2914, 7028296), (4136, 4951754), (5456, 3753749), (5828, 3514148), (8272, 2475877), (11656, 1757074), (16027, 1277872), (23312, 878537), (32054, 638936), (64108, 319468), (79867, 256432), (128216, 159734)]