6466280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1163}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 14666400

約数和(自身を除く): 8200120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1163, 1390, 2326, 2780, 4652, 5560, 5815, 9304, 11630, 23260, 46520, 161657, 323314, 646628, 808285, 1293256, 1616570, 3233140, 6466280]

約数ペア:

[(1, 6466280), (2, 3233140), (4, 1616570), (5, 1293256), (8, 808285), (10, 646628), (20, 323314), (40, 161657), (139, 46520), (278, 23260), (556, 11630), (695, 9304), (1112, 5815), (1163, 5560), (1390, 4652), (2326, 2780)]