28255774720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{64171}}^1$

素因数の和:64241

約数の個数: 96

約数和(自身を含む): 69375065760

約数和(自身を除く): 41119291040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 512, 640, 688, 860, 1024, 1280, 1376, 1720, 2048, 2560, 2752, 3440, 5120, 5504, 6880, 10240, 11008, 13760, 22016, 27520, 44032, 55040, 64171, 88064, 110080, 128342, 220160, 256684, 320855, 440320, 513368, 641710, 1026736, 1283420, 2053472, 2566840, 2759353, 4106944, 5133680, 5518706, 8213888, 10267360, 11037412, 13796765, 16427776, 20534720, 22074824, 27593530, 32855552, 41069440, 44149648, 55187060, 65711104, 82138880, 88299296, 110374120, 131422208, 164277760, 176598592, 220748240, 328555520, 353197184, 441496480, 657111040, 706394368, 882992960, 1412788736, 1765985920, 2825577472, 3531971840, 5651154944, 7063943680, 14127887360, 28255774720]

約数ペア:

[(1, 28255774720), (2, 14127887360), (4, 7063943680), (5, 5651154944), (8, 3531971840), (10, 2825577472), (16, 1765985920), (20, 1412788736), (32, 882992960), (40, 706394368), (43, 657111040), (64, 441496480), (80, 353197184), (86, 328555520), (128, 220748240), (160, 176598592), (172, 164277760), (215, 131422208), (256, 110374120), (320, 88299296), (344, 82138880), (430, 65711104), (512, 55187060), (640, 44149648), (688, 41069440), (860, 32855552), (1024, 27593530), (1280, 22074824), (1376, 20534720), (1720, 16427776), (2048, 13796765), (2560, 11037412), (2752, 10267360), (3440, 8213888), (5120, 5518706), (5504, 5133680), (6880, 4106944), (10240, 2759353), (11008, 2566840), (13760, 2053472), (22016, 1283420), (27520, 1026736), (44032, 641710), (55040, 513368), (64171, 440320), (88064, 320855), (110080, 256684), (128342, 220160)]