724894040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1394027}}^1$

素因数の和:1394051

約数の個数: 32

約数和(自身を含む): 1756475280

約数和(自身を除く): 1031581240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1394027, 2788054, 5576108, 6970135, 11152216, 13940270, 18122351, 27880540, 36244702, 55761080, 72489404, 90611755, 144978808, 181223510, 362447020, 724894040]

約数ペア:

[(1, 724894040), (2, 362447020), (4, 181223510), (5, 144978808), (8, 90611755), (10, 72489404), (13, 55761080), (20, 36244702), (26, 27880540), (40, 18122351), (52, 13940270), (65, 11152216), (104, 6970135), (130, 5576108), (260, 2788054), (520, 1394027)]