29979520

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 72399600

約数和(自身を除く): 42420080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 337, 556, 640, 674, 695, 1112, 1348, 1390, 1685, 2224, 2696, 2780, 3370, 4448, 5392, 5560, 6740, 8896, 10784, 11120, 13480, 17792, 21568, 22240, 26960, 43136, 44480, 46843, 53920, 88960, 93686, 107840, 187372, 215680, 234215, 374744, 468430, 749488, 936860, 1498976, 1873720, 2997952, 3747440, 5995904, 7494880, 14989760, 29979520]

約数ペア:

[(1, 29979520), (2, 14989760), (4, 7494880), (5, 5995904), (8, 3747440), (10, 2997952), (16, 1873720), (20, 1498976), (32, 936860), (40, 749488), (64, 468430), (80, 374744), (128, 234215), (139, 215680), (160, 187372), (278, 107840), (320, 93686), (337, 88960), (556, 53920), (640, 46843), (674, 44480), (695, 43136), (1112, 26960), (1348, 22240), (1390, 21568), (1685, 17792), (2224, 13480), (2696, 11120), (2780, 10784), (3370, 8896), (4448, 6740), (5392, 5560)]