8315320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15991}}^1$

素因数の和:16015

約数の個数: 32

約数和(自身を含む): 20149920

約数和(自身を除く): 11834600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15991, 31982, 63964, 79955, 127928, 159910, 207883, 319820, 415766, 639640, 831532, 1039415, 1663064, 2078830, 4157660, 8315320]

約数ペア:

[(1, 8315320), (2, 4157660), (4, 2078830), (5, 1663064), (8, 1039415), (10, 831532), (13, 639640), (20, 415766), (26, 319820), (40, 207883), (52, 159910), (65, 127928), (104, 79955), (130, 63964), (260, 31982), (520, 15991)]