1581320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3041}}^1$

素因数の和:3065

約数の個数: 32

約数和(自身を含む): 3832920

約数和(自身を除く): 2251600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3041, 6082, 12164, 15205, 24328, 30410, 39533, 60820, 79066, 121640, 158132, 197665, 316264, 395330, 790660, 1581320]

約数ペア:

[(1, 1581320), (2, 790660), (4, 395330), (5, 316264), (8, 197665), (10, 158132), (13, 121640), (20, 79066), (26, 60820), (40, 39533), (52, 30410), (65, 24328), (104, 15205), (130, 12164), (260, 6082), (520, 3041)]