11981320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23041}}^1$

素因数の和:23065

約数の個数: 32

約数和(自身を含む): 29032920

約数和(自身を除く): 17051600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 23041, 46082, 92164, 115205, 184328, 230410, 299533, 460820, 599066, 921640, 1198132, 1497665, 2396264, 2995330, 5990660, 11981320]

約数ペア:

[(1, 11981320), (2, 5990660), (4, 2995330), (5, 2396264), (8, 1497665), (10, 1198132), (13, 921640), (20, 599066), (26, 460820), (40, 299533), (52, 230410), (65, 184328), (104, 115205), (130, 92164), (260, 46082), (520, 23041)]