8669840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 21628080

約数和(自身を除く): 12958240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 101, 116, 145, 148, 185, 202, 232, 290, 296, 370, 404, 464, 505, 580, 592, 740, 808, 1010, 1073, 1160, 1480, 1616, 2020, 2146, 2320, 2929, 2960, 3737, 4040, 4292, 5365, 5858, 7474, 8080, 8584, 10730, 11716, 14645, 14948, 17168, 18685, 21460, 23432, 29290, 29896, 37370, 42920, 46864, 58580, 59792, 74740, 85840, 108373, 117160, 149480, 216746, 234320, 298960, 433492, 541865, 866984, 1083730, 1733968, 2167460, 4334920, 8669840]

約数ペア:

[(1, 8669840), (2, 4334920), (4, 2167460), (5, 1733968), (8, 1083730), (10, 866984), (16, 541865), (20, 433492), (29, 298960), (37, 234320), (40, 216746), (58, 149480), (74, 117160), (80, 108373), (101, 85840), (116, 74740), (145, 59792), (148, 58580), (185, 46864), (202, 42920), (232, 37370), (290, 29896), (296, 29290), (370, 23432), (404, 21460), (464, 18685), (505, 17168), (580, 14948), (592, 14645), (740, 11716), (808, 10730), (1010, 8584), (1073, 8080), (1160, 7474), (1480, 5858), (1616, 5365), (2020, 4292), (2146, 4040), (2320, 3737), (2929, 2960)]