51643520

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 135129600

約数和(自身を除く): 83486080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 137, 152, 155, 160, 190, 248, 274, 304, 310, 320, 380, 496, 548, 589, 608, 620, 640, 685, 760, 992, 1096, 1178, 1216, 1240, 1370, 1520, 1984, 2192, 2356, 2432, 2480, 2603, 2740, 2945, 3040, 3968, 4247, 4384, 4712, 4960, 5206, 5480, 5890, 6080, 8494, 8768, 9424, 9920, 10412, 10960, 11780, 12160, 13015, 16988, 17536, 18848, 19840, 20824, 21235, 21920, 23560, 26030, 33976, 37696, 41648, 42470, 43840, 47120, 52060, 67952, 75392, 80693, 83296, 84940, 87680, 94240, 104120, 135904, 161386, 166592, 169880, 188480, 208240, 271808, 322772, 333184, 339760, 376960, 403465, 416480, 543616, 645544, 679520, 806930, 832960, 1291088, 1359040, 1613860, 1665920, 2582176, 2718080, 3227720, 5164352, 6455440, 10328704, 12910880, 25821760, 51643520]

約数ペア:

[(1, 51643520), (2, 25821760), (4, 12910880), (5, 10328704), (8, 6455440), (10, 5164352), (16, 3227720), (19, 2718080), (20, 2582176), (31, 1665920), (32, 1613860), (38, 1359040), (40, 1291088), (62, 832960), (64, 806930), (76, 679520), (80, 645544), (95, 543616), (124, 416480), (128, 403465), (137, 376960), (152, 339760), (155, 333184), (160, 322772), (190, 271808), (248, 208240), (274, 188480), (304, 169880), (310, 166592), (320, 161386), (380, 135904), (496, 104120), (548, 94240), (589, 87680), (608, 84940), (620, 83296), (640, 80693), (685, 75392), (760, 67952), (992, 52060), (1096, 47120), (1178, 43840), (1216, 42470), (1240, 41648), (1370, 37696), (1520, 33976), (1984, 26030), (2192, 23560), (2356, 21920), (2432, 21235), (2480, 20824), (2603, 19840), (2740, 18848), (2945, 17536), (3040, 16988), (3968, 13015), (4247, 12160), (4384, 11780), (4712, 10960), (4960, 10412), (5206, 9920), (5480, 9424), (5890, 8768), (6080, 8494)]