115490020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{81331}}^1$

素因数の和:81411

約数の個数: 24

約数和(自身を含む): 245947968

約数和(自身を除く): 130457948

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 81331, 162662, 325324, 406655, 813310, 1626620, 5774501, 11549002, 23098004, 28872505, 57745010, 115490020]

約数ペア:

[(1, 115490020), (2, 57745010), (4, 28872505), (5, 23098004), (10, 11549002), (20, 5774501), (71, 1626620), (142, 813310), (284, 406655), (355, 325324), (710, 162662), (1420, 81331)]