2560242880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19853}}^1$

素因数の和:19914

約数の個数: 112

約数和(自身を含む): 6777679104

約数和(自身を除く): 4217436224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 3224, 4030, 4160, 4960, 6448, 8060, 9920, 12896, 16120, 19853, 25792, 32240, 39706, 64480, 79412, 99265, 128960, 158824, 198530, 258089, 317648, 397060, 516178, 615443, 635296, 794120, 1032356, 1230886, 1270592, 1290445, 1588240, 2064712, 2461772, 2580890, 3077215, 3176480, 4129424, 4923544, 5161780, 6154430, 6352960, 8000759, 8258848, 9847088, 10323560, 12308860, 16001518, 16517696, 19694176, 20647120, 24617720, 32003036, 39388352, 40003795, 41294240, 49235440, 64006072, 80007590, 82588480, 98470880, 128012144, 160015180, 196941760, 256024288, 320030360, 512048576, 640060720, 1280121440, 2560242880]

約数ペア:

[(1, 2560242880), (2, 1280121440), (4, 640060720), (5, 512048576), (8, 320030360), (10, 256024288), (13, 196941760), (16, 160015180), (20, 128012144), (26, 98470880), (31, 82588480), (32, 80007590), (40, 64006072), (52, 49235440), (62, 41294240), (64, 40003795), (65, 39388352), (80, 32003036), (104, 24617720), (124, 20647120), (130, 19694176), (155, 16517696), (160, 16001518), (208, 12308860), (248, 10323560), (260, 9847088), (310, 8258848), (320, 8000759), (403, 6352960), (416, 6154430), (496, 5161780), (520, 4923544), (620, 4129424), (806, 3176480), (832, 3077215), (992, 2580890), (1040, 2461772), (1240, 2064712), (1612, 1588240), (1984, 1290445), (2015, 1270592), (2080, 1230886), (2480, 1032356), (3224, 794120), (4030, 635296), (4160, 615443), (4960, 516178), (6448, 397060), (8060, 317648), (9920, 258089), (12896, 198530), (16120, 158824), (19853, 128960), (25792, 99265), (32240, 79412), (39706, 64480)]