889640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{967}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 2090880

約数和(自身を除く): 1201240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 967, 1934, 3868, 4835, 7736, 9670, 19340, 22241, 38680, 44482, 88964, 111205, 177928, 222410, 444820, 889640]

約数ペア:

[(1, 889640), (2, 444820), (4, 222410), (5, 177928), (8, 111205), (10, 88964), (20, 44482), (23, 38680), (40, 22241), (46, 19340), (92, 9670), (115, 7736), (184, 4835), (230, 3868), (460, 1934), (920, 967)]