85821320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165041}}^1$

素因数の和:165065

約数の個数: 32

約数和(自身を含む): 207952920

約数和(自身を除く): 122131600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 165041, 330082, 660164, 825205, 1320328, 1650410, 2145533, 3300820, 4291066, 6601640, 8582132, 10727665, 17164264, 21455330, 42910660, 85821320]

約数ペア:

[(1, 85821320), (2, 42910660), (4, 21455330), (5, 17164264), (8, 10727665), (10, 8582132), (13, 6601640), (20, 4291066), (26, 3300820), (40, 2145533), (52, 1650410), (65, 1320328), (104, 825205), (130, 660164), (260, 330082), (520, 165041)]