40408992

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:323

約数の個数: 144

約数和(自身を含む): 127135008

約数和(自身を除く): 86726016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 72, 78, 86, 96, 104, 117, 129, 144, 156, 172, 208, 234, 251, 258, 288, 312, 344, 387, 416, 468, 502, 516, 559, 624, 688, 753, 774, 936, 1004, 1032, 1118, 1248, 1376, 1506, 1548, 1677, 1872, 2008, 2064, 2236, 2259, 3012, 3096, 3263, 3354, 3744, 4016, 4128, 4472, 4518, 5031, 6024, 6192, 6526, 6708, 8032, 8944, 9036, 9789, 10062, 10793, 12048, 12384, 13052, 13416, 17888, 18072, 19578, 20124, 21586, 24096, 26104, 26832, 29367, 32379, 36144, 39156, 40248, 43172, 52208, 53664, 58734, 64758, 72288, 78312, 80496, 86344, 97137, 104416, 117468, 129516, 140309, 156624, 160992, 172688, 194274, 234936, 259032, 280618, 313248, 345376, 388548, 420927, 469872, 518064, 561236, 777096, 841854, 939744, 1036128, 1122472, 1262781, 1554192, 1683708, 2244944, 2525562, 3108384, 3367416, 4489888, 5051124, 6734832, 10102248, 13469664, 20204496, 40408992]

約数ペア:

[(1, 40408992), (2, 20204496), (3, 13469664), (4, 10102248), (6, 6734832), (8, 5051124), (9, 4489888), (12, 3367416), (13, 3108384), (16, 2525562), (18, 2244944), (24, 1683708), (26, 1554192), (32, 1262781), (36, 1122472), (39, 1036128), (43, 939744), (48, 841854), (52, 777096), (72, 561236), (78, 518064), (86, 469872), (96, 420927), (104, 388548), (117, 345376), (129, 313248), (144, 280618), (156, 259032), (172, 234936), (208, 194274), (234, 172688), (251, 160992), (258, 156624), (288, 140309), (312, 129516), (344, 117468), (387, 104416), (416, 97137), (468, 86344), (502, 80496), (516, 78312), (559, 72288), (624, 64758), (688, 58734), (753, 53664), (774, 52208), (936, 43172), (1004, 40248), (1032, 39156), (1118, 36144), (1248, 32379), (1376, 29367), (1506, 26832), (1548, 26104), (1677, 24096), (1872, 21586), (2008, 20124), (2064, 19578), (2236, 18072), (2259, 17888), (3012, 13416), (3096, 13052), (3263, 12384), (3354, 12048), (3744, 10793), (4016, 10062), (4128, 9789), (4472, 9036), (4518, 8944), (5031, 8032), (6024, 6708), (6192, 6526)]