28833520

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{821}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 67272480

約数和(自身を除く): 38438960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 821, 878, 1642, 1756, 2195, 3284, 3512, 4105, 4390, 6568, 7024, 8210, 8780, 13136, 16420, 17560, 32840, 35120, 65680, 360419, 720838, 1441676, 1802095, 2883352, 3604190, 5766704, 7208380, 14416760, 28833520]

約数ペア:

[(1, 28833520), (2, 14416760), (4, 7208380), (5, 5766704), (8, 3604190), (10, 2883352), (16, 1802095), (20, 1441676), (40, 720838), (80, 360419), (439, 65680), (821, 35120), (878, 32840), (1642, 17560), (1756, 16420), (2195, 13136), (3284, 8780), (3512, 8210), (4105, 7024), (4390, 6568)]