68609320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131941}}^1$

素因数の和:131965

約数の個数: 32

約数和(自身を含む): 166246920

約数和(自身を除く): 97637600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 131941, 263882, 527764, 659705, 1055528, 1319410, 1715233, 2638820, 3430466, 5277640, 6860932, 8576165, 13721864, 17152330, 34304660, 68609320]

約数ペア:

[(1, 68609320), (2, 34304660), (4, 17152330), (5, 13721864), (8, 8576165), (10, 6860932), (13, 5277640), (20, 3430466), (26, 2638820), (40, 1715233), (52, 1319410), (65, 1055528), (104, 659705), (130, 527764), (260, 263882), (520, 131941)]