81366016

素因数分解:

$2^{10}\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:640

約数の個数: 44

約数和(自身を含む): 163923760

約数和(自身を除く): 82557744

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 181, 256, 362, 439, 512, 724, 878, 1024, 1448, 1756, 2896, 3512, 5792, 7024, 11584, 14048, 23168, 28096, 46336, 56192, 79459, 92672, 112384, 158918, 185344, 224768, 317836, 449536, 635672, 1271344, 2542688, 5085376, 10170752, 20341504, 40683008, 81366016]

約数ペア:

[(1, 81366016), (2, 40683008), (4, 20341504), (8, 10170752), (16, 5085376), (32, 2542688), (64, 1271344), (128, 635672), (181, 449536), (256, 317836), (362, 224768), (439, 185344), (512, 158918), (724, 112384), (878, 92672), (1024, 79459), (1448, 56192), (1756, 46336), (2896, 28096), (3512, 23168), (5792, 14048), (7024, 11584)]