28398880

素因数分解:

$2^5\times 5^1\times {\mathrm{177493}}^1$

素因数の和:177508

約数の個数: 24

約数和(自身を含む): 67092732

約数和(自身を除く): 38693852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 177493, 354986, 709972, 887465, 1419944, 1774930, 2839888, 3549860, 5679776, 7099720, 14199440, 28398880]

約数ペア:

[(1, 28398880), (2, 14199440), (4, 7099720), (5, 5679776), (8, 3549860), (10, 2839888), (16, 1774930), (20, 1419944), (32, 887465), (40, 709972), (80, 354986), (160, 177493)]