2001688891670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{810400361}}^1$

素因数の和:810400400

約数の個数: 32

約数和(自身を含む): 4084417824480

約数和(自身を除く): 2082728932810

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 810400361, 1620800722, 4052001805, 8104003610, 10535204693, 15397606859, 21070409386, 30795213718, 52676023465, 76988034295, 105352046930, 153976068590, 200168889167, 400337778334, 1000844445835, 2001688891670]

約数ペア:

[(1, 2001688891670), (2, 1000844445835), (5, 400337778334), (10, 200168889167), (13, 153976068590), (19, 105352046930), (26, 76988034295), (38, 52676023465), (65, 30795213718), (95, 21070409386), (130, 15397606859), (190, 10535204693), (247, 8104003610), (494, 4052001805), (1235, 1620800722), (2470, 810400361)]