19847688560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35442301}}^1$

素因数の和:35442321

約数の個数: 40

約数和(自身を含む): 52738145376

約数和(自身を除く): 32890456816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35442301, 70884602, 141769204, 177211505, 248096107, 283538408, 354423010, 496192214, 567076816, 708846020, 992384428, 1240480535, 1417692040, 1984768856, 2480961070, 2835384080, 3969537712, 4961922140, 9923844280, 19847688560]

約数ペア:

[(1, 19847688560), (2, 9923844280), (4, 4961922140), (5, 3969537712), (7, 2835384080), (8, 2480961070), (10, 1984768856), (14, 1417692040), (16, 1240480535), (20, 992384428), (28, 708846020), (35, 567076816), (40, 496192214), (56, 354423010), (70, 283538408), (80, 248096107), (112, 177211505), (140, 141769204), (280, 70884602), (560, 35442301)]