51542740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 111767040

約数和(自身を除く): 60224300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 239, 263, 410, 478, 526, 820, 956, 1052, 1195, 1315, 2390, 2630, 4780, 5260, 9799, 10783, 19598, 21566, 39196, 43132, 48995, 53915, 62857, 97990, 107830, 125714, 195980, 215660, 251428, 314285, 628570, 1257140, 2577137, 5154274, 10308548, 12885685, 25771370, 51542740]

約数ペア:

[(1, 51542740), (2, 25771370), (4, 12885685), (5, 10308548), (10, 5154274), (20, 2577137), (41, 1257140), (82, 628570), (164, 314285), (205, 251428), (239, 215660), (263, 195980), (410, 125714), (478, 107830), (526, 97990), (820, 62857), (956, 53915), (1052, 48995), (1195, 43132), (1315, 39196), (2390, 21566), (2630, 19598), (4780, 10783), (5260, 9799)]