6521320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12541}}^1$

素因数の和:12565

約数の個数: 32

約数和(自身を含む): 15802920

約数和(自身を除く): 9281600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 12541, 25082, 50164, 62705, 100328, 125410, 163033, 250820, 326066, 501640, 652132, 815165, 1304264, 1630330, 3260660, 6521320]

約数ペア:

[(1, 6521320), (2, 3260660), (4, 1630330), (5, 1304264), (8, 815165), (10, 652132), (13, 501640), (20, 326066), (26, 250820), (40, 163033), (52, 125410), (65, 100328), (104, 62705), (130, 50164), (260, 25082), (520, 12541)]