10240971520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19853}}^1$

素因数の和:19918

約数の個数: 144

約数和(自身を含む): 27270819072

約数和(自身を除く): 17029847552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 3224, 3328, 3968, 4030, 4160, 4960, 6448, 7936, 8060, 8320, 9920, 12896, 16120, 16640, 19840, 19853, 25792, 32240, 39680, 39706, 51584, 64480, 79412, 99265, 103168, 128960, 158824, 198530, 257920, 258089, 317648, 397060, 515840, 516178, 615443, 635296, 794120, 1032356, 1230886, 1270592, 1290445, 1588240, 2064712, 2461772, 2541184, 2580890, 3077215, 3176480, 4129424, 4923544, 5082368, 5161780, 6154430, 6352960, 8000759, 8258848, 9847088, 10323560, 12308860, 12705920, 16001518, 16517696, 19694176, 20647120, 24617720, 25411840, 32003036, 33035392, 39388352, 40003795, 41294240, 49235440, 64006072, 66070784, 78776704, 80007590, 82588480, 98470880, 128012144, 157553408, 160015180, 165176960, 196941760, 256024288, 320030360, 330353920, 393883520, 512048576, 640060720, 787767040, 1024097152, 1280121440, 2048194304, 2560242880, 5120485760, 10240971520]

約数ペア:

[(1, 10240971520), (2, 5120485760), (4, 2560242880), (5, 2048194304), (8, 1280121440), (10, 1024097152), (13, 787767040), (16, 640060720), (20, 512048576), (26, 393883520), (31, 330353920), (32, 320030360), (40, 256024288), (52, 196941760), (62, 165176960), (64, 160015180), (65, 157553408), (80, 128012144), (104, 98470880), (124, 82588480), (128, 80007590), (130, 78776704), (155, 66070784), (160, 64006072), (208, 49235440), (248, 41294240), (256, 40003795), (260, 39388352), (310, 33035392), (320, 32003036), (403, 25411840), (416, 24617720), (496, 20647120), (520, 19694176), (620, 16517696), (640, 16001518), (806, 12705920), (832, 12308860), (992, 10323560), (1040, 9847088), (1240, 8258848), (1280, 8000759), (1612, 6352960), (1664, 6154430), (1984, 5161780), (2015, 5082368), (2080, 4923544), (2480, 4129424), (3224, 3176480), (3328, 3077215), (3968, 2580890), (4030, 2541184), (4160, 2461772), (4960, 2064712), (6448, 1588240), (7936, 1290445), (8060, 1270592), (8320, 1230886), (9920, 1032356), (12896, 794120), (16120, 635296), (16640, 615443), (19840, 516178), (19853, 515840), (25792, 397060), (32240, 317648), (39680, 258089), (39706, 257920), (51584, 198530), (64480, 158824), (79412, 128960), (99265, 103168)]