128623400

素因数分解:

$2^3\times 5^2\times {\mathrm{167}}^1\times {\mathrm{3851}}^1$

素因数の和:4034

約数の個数: 48

約数和(自身を含む): 300918240

約数和(自身を除く): 172294840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 167, 200, 334, 668, 835, 1336, 1670, 3340, 3851, 4175, 6680, 7702, 8350, 15404, 16700, 19255, 30808, 33400, 38510, 77020, 96275, 154040, 192550, 385100, 643117, 770200, 1286234, 2572468, 3215585, 5144936, 6431170, 12862340, 16077925, 25724680, 32155850, 64311700, 128623400]

約数ペア:

[(1, 128623400), (2, 64311700), (4, 32155850), (5, 25724680), (8, 16077925), (10, 12862340), (20, 6431170), (25, 5144936), (40, 3215585), (50, 2572468), (100, 1286234), (167, 770200), (200, 643117), (334, 385100), (668, 192550), (835, 154040), (1336, 96275), (1670, 77020), (3340, 38510), (3851, 33400), (4175, 30808), (6680, 19255), (7702, 16700), (8350, 15404)]