68661036280

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4412663}}^1$

素因数の和:4413063

約数の個数: 32

約数和(自身を含む): 154884506400

約数和(自身を除く): 86223470120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 4412663, 8825326, 17650652, 22063315, 35301304, 44126630, 88253260, 176506520, 1716525907, 3433051814, 6866103628, 8582629535, 13732207256, 17165259070, 34330518140, 68661036280]

約数ペア:

[(1, 68661036280), (2, 34330518140), (4, 17165259070), (5, 13732207256), (8, 8582629535), (10, 6866103628), (20, 3433051814), (40, 1716525907), (389, 176506520), (778, 88253260), (1556, 44126630), (1945, 35301304), (3112, 22063315), (3890, 17650652), (7780, 8825326), (15560, 4412663)]