51615320

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8219}}^1$

素因数の和:8387

約数の個数: 32

約数和(自身を含む): 116888400

約数和(自身を除く): 65273080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 8219, 16438, 32876, 41095, 65752, 82190, 164380, 328760, 1290383, 2580766, 5161532, 6451915, 10323064, 12903830, 25807660, 51615320]

約数ペア:

[(1, 51615320), (2, 25807660), (4, 12903830), (5, 10323064), (8, 6451915), (10, 5161532), (20, 2580766), (40, 1290383), (157, 328760), (314, 164380), (628, 82190), (785, 65752), (1256, 41095), (1570, 32876), (3140, 16438), (6280, 8219)]