82142720

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2917}}^1$

素因数の和:2951

約数の個数: 80

約数和(自身を含む): 214928208

約数和(自身を除く): 132785488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2816, 2917, 3520, 5632, 5834, 7040, 11668, 14080, 14585, 23336, 28160, 29170, 32087, 46672, 58340, 64174, 93344, 116680, 128348, 160435, 186688, 233360, 256696, 320870, 373376, 466720, 513392, 641740, 746752, 933440, 1026784, 1283480, 1493504, 1866880, 2053568, 2566960, 3733760, 4107136, 5133920, 7467520, 8214272, 10267840, 16428544, 20535680, 41071360, 82142720]

約数ペア:

[(1, 82142720), (2, 41071360), (4, 20535680), (5, 16428544), (8, 10267840), (10, 8214272), (11, 7467520), (16, 5133920), (20, 4107136), (22, 3733760), (32, 2566960), (40, 2053568), (44, 1866880), (55, 1493504), (64, 1283480), (80, 1026784), (88, 933440), (110, 746752), (128, 641740), (160, 513392), (176, 466720), (220, 373376), (256, 320870), (320, 256696), (352, 233360), (440, 186688), (512, 160435), (640, 128348), (704, 116680), (880, 93344), (1280, 64174), (1408, 58340), (1760, 46672), (2560, 32087), (2816, 29170), (2917, 28160), (3520, 23336), (5632, 14585), (5834, 14080), (7040, 11668)]