193330520

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{5449}}^1$

素因数の和:6347

約数の個数: 32

約数和(自身を含む): 435564000

約数和(自身を除く): 242233480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1774, 3548, 4435, 5449, 7096, 8870, 10898, 17740, 21796, 27245, 35480, 43592, 54490, 108980, 217960, 4833263, 9666526, 19333052, 24166315, 38666104, 48332630, 96665260, 193330520]

約数ペア:

[(1, 193330520), (2, 96665260), (4, 48332630), (5, 38666104), (8, 24166315), (10, 19333052), (20, 9666526), (40, 4833263), (887, 217960), (1774, 108980), (3548, 54490), (4435, 43592), (5449, 35480), (7096, 27245), (8870, 21796), (10898, 17740)]