51504640

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:124

約数の個数: 160

約数和(自身を含む): 141419520

約数和(自身を除く): 89914880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 59, 62, 64, 80, 88, 110, 118, 124, 128, 155, 160, 176, 220, 236, 248, 256, 295, 310, 320, 341, 352, 440, 472, 496, 512, 590, 620, 640, 649, 682, 704, 880, 944, 992, 1180, 1240, 1280, 1298, 1364, 1408, 1705, 1760, 1829, 1888, 1984, 2360, 2480, 2560, 2596, 2728, 2816, 3245, 3410, 3520, 3658, 3776, 3968, 4720, 4960, 5192, 5456, 5632, 6490, 6820, 7040, 7316, 7552, 7936, 9145, 9440, 9920, 10384, 10912, 12980, 13640, 14080, 14632, 15104, 15872, 18290, 18880, 19840, 20119, 20768, 21824, 25960, 27280, 28160, 29264, 30208, 36580, 37760, 39680, 40238, 41536, 43648, 51920, 54560, 58528, 73160, 75520, 79360, 80476, 83072, 87296, 100595, 103840, 109120, 117056, 146320, 151040, 160952, 166144, 174592, 201190, 207680, 218240, 234112, 292640, 321904, 332288, 402380, 415360, 436480, 468224, 585280, 643808, 804760, 830720, 872960, 936448, 1170560, 1287616, 1609520, 1661440, 2341120, 2575232, 3219040, 4682240, 5150464, 6438080, 10300928, 12876160, 25752320, 51504640]

約数ペア:

[(1, 51504640), (2, 25752320), (4, 12876160), (5, 10300928), (8, 6438080), (10, 5150464), (11, 4682240), (16, 3219040), (20, 2575232), (22, 2341120), (31, 1661440), (32, 1609520), (40, 1287616), (44, 1170560), (55, 936448), (59, 872960), (62, 830720), (64, 804760), (80, 643808), (88, 585280), (110, 468224), (118, 436480), (124, 415360), (128, 402380), (155, 332288), (160, 321904), (176, 292640), (220, 234112), (236, 218240), (248, 207680), (256, 201190), (295, 174592), (310, 166144), (320, 160952), (341, 151040), (352, 146320), (440, 117056), (472, 109120), (496, 103840), (512, 100595), (590, 87296), (620, 83072), (640, 80476), (649, 79360), (682, 75520), (704, 73160), (880, 58528), (944, 54560), (992, 51920), (1180, 43648), (1240, 41536), (1280, 40238), (1298, 39680), (1364, 37760), (1408, 36580), (1705, 30208), (1760, 29264), (1829, 28160), (1888, 27280), (1984, 25960), (2360, 21824), (2480, 20768), (2560, 20119), (2596, 19840), (2728, 18880), (2816, 18290), (3245, 15872), (3410, 15104), (3520, 14632), (3658, 14080), (3776, 13640), (3968, 12980), (4720, 10912), (4960, 10384), (5192, 9920), (5456, 9440), (5632, 9145), (6490, 7936), (6820, 7552), (7040, 7316)]