137826280

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{21139}}^1$

素因数の和:21313

約数の個数: 32

約数和(自身を含む): 312026400

約数和(自身を除く): 174200120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 21139, 42278, 84556, 105695, 169112, 211390, 422780, 845560, 3445657, 6891314, 13782628, 17228285, 27565256, 34456570, 68913140, 137826280]

約数ペア:

[(1, 137826280), (2, 68913140), (4, 34456570), (5, 27565256), (8, 17228285), (10, 13782628), (20, 6891314), (40, 3445657), (163, 845560), (326, 422780), (652, 211390), (815, 169112), (1304, 105695), (1630, 84556), (3260, 42278), (6520, 21139)]