3640787780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{26005627}}^1$

素因数の和:26005643

約数の個数: 24

約数和(自身を含む): 8737891008

約数和(自身を除く): 5097103228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 26005627, 52011254, 104022508, 130028135, 182039389, 260056270, 364078778, 520112540, 728157556, 910196945, 1820393890, 3640787780]

約数ペア:

[(1, 3640787780), (2, 1820393890), (4, 910196945), (5, 728157556), (7, 520112540), (10, 364078778), (14, 260056270), (20, 182039389), (28, 130028135), (35, 104022508), (70, 52011254), (140, 26005627)]