30885640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40639}}^1$

素因数の和:40669

約数の個数: 32

約数和(自身を含む): 73152000

約数和(自身を除く): 42266360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 40639, 81278, 162556, 203195, 325112, 406390, 772141, 812780, 1544282, 1625560, 3088564, 3860705, 6177128, 7721410, 15442820, 30885640]

約数ペア:

[(1, 30885640), (2, 15442820), (4, 7721410), (5, 6177128), (8, 3860705), (10, 3088564), (19, 1625560), (20, 1544282), (38, 812780), (40, 772141), (76, 406390), (95, 325112), (152, 203195), (190, 162556), (380, 81278), (760, 40639)]