164216560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70783}}^1$

素因数の和:70825

約数の個数: 40

約数和(自身を含む): 394974720

約数和(自身を除く): 230758160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 70783, 141566, 283132, 353915, 566264, 707830, 1132528, 1415660, 2052707, 2831320, 4105414, 5662640, 8210828, 10263535, 16421656, 20527070, 32843312, 41054140, 82108280, 164216560]

約数ペア:

[(1, 164216560), (2, 82108280), (4, 41054140), (5, 32843312), (8, 20527070), (10, 16421656), (16, 10263535), (20, 8210828), (29, 5662640), (40, 4105414), (58, 2831320), (80, 2052707), (116, 1415660), (145, 1132528), (232, 707830), (290, 566264), (464, 353915), (580, 283132), (1160, 141566), (2320, 70783)]