85197320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163841}}^1$

素因数の和:163865

約数の個数: 32

約数和(自身を含む): 206440920

約数和(自身を除く): 121243600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 163841, 327682, 655364, 819205, 1310728, 1638410, 2129933, 3276820, 4259866, 6553640, 8519732, 10649665, 17039464, 21299330, 42598660, 85197320]

約数ペア:

[(1, 85197320), (2, 42598660), (4, 21299330), (5, 17039464), (8, 10649665), (10, 8519732), (13, 6553640), (20, 4259866), (26, 3276820), (40, 2129933), (52, 1638410), (65, 1310728), (104, 819205), (130, 655364), (260, 327682), (520, 163841)]