103779440

素因数分解:

$2^4\times 5^1\times {\mathrm{1297243}}^1$

素因数の和:1297256

約数の個数: 20

約数和(自身を含む): 241287384

約数和(自身を除く): 137507944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1297243, 2594486, 5188972, 6486215, 10377944, 12972430, 20755888, 25944860, 51889720, 103779440]

約数ペア:

[(1, 103779440), (2, 51889720), (4, 25944860), (5, 20755888), (8, 12972430), (10, 10377944), (16, 6486215), (20, 5188972), (40, 2594486), (80, 1297243)]