40177528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 84369600

約数和(自身を除く): 44192072

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 61, 68, 116, 122, 136, 167, 232, 244, 334, 488, 493, 668, 986, 1037, 1336, 1769, 1972, 2074, 2839, 3538, 3944, 4148, 4843, 5678, 7076, 8296, 9686, 10187, 11356, 14152, 19372, 20374, 22712, 30073, 38744, 40748, 60146, 81496, 82331, 120292, 164662, 173179, 240584, 295423, 329324, 346358, 590846, 658648, 692716, 1181692, 1385432, 2363384, 5022191, 10044382, 20088764, 40177528]

約数ペア:

[(1, 40177528), (2, 20088764), (4, 10044382), (8, 5022191), (17, 2363384), (29, 1385432), (34, 1181692), (58, 692716), (61, 658648), (68, 590846), (116, 346358), (122, 329324), (136, 295423), (167, 240584), (232, 173179), (244, 164662), (334, 120292), (488, 82331), (493, 81496), (668, 60146), (986, 40748), (1037, 38744), (1336, 30073), (1769, 22712), (1972, 20374), (2074, 19372), (2839, 14152), (3538, 11356), (3944, 10187), (4148, 9686), (4843, 8296), (5678, 7076)]