28281520

素因数分解:

$2^4\times 5^1\times {\mathrm{467}}^1\times {\mathrm{757}}^1$

素因数の和:1237

約数の個数: 40

約数和(自身を含む): 65982384

約数和(自身を除く): 37700864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 467, 757, 934, 1514, 1868, 2335, 3028, 3736, 3785, 4670, 6056, 7472, 7570, 9340, 12112, 15140, 18680, 30280, 37360, 60560, 353519, 707038, 1414076, 1767595, 2828152, 3535190, 5656304, 7070380, 14140760, 28281520]

約数ペア:

[(1, 28281520), (2, 14140760), (4, 7070380), (5, 5656304), (8, 3535190), (10, 2828152), (16, 1767595), (20, 1414076), (40, 707038), (80, 353519), (467, 60560), (757, 37360), (934, 30280), (1514, 18680), (1868, 15140), (2335, 12112), (3028, 9340), (3736, 7570), (3785, 7472), (4670, 6056)]