88919440

素因数分解:

$2^4\times 5^1\times {\mathrm{1111493}}^1$

素因数の和:1111506

約数の個数: 20

約数和(自身を含む): 206737884

約数和(自身を除く): 117818444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1111493, 2222986, 4445972, 5557465, 8891944, 11114930, 17783888, 22229860, 44459720, 88919440]

約数ペア:

[(1, 88919440), (2, 44459720), (4, 22229860), (5, 17783888), (8, 11114930), (10, 8891944), (16, 5557465), (20, 4445972), (40, 2222986), (80, 1111493)]