55701340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 120637440

約数和(自身を除く): 64936100

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 239, 271, 430, 478, 542, 860, 956, 1084, 1195, 1355, 2390, 2710, 4780, 5420, 10277, 11653, 20554, 23306, 41108, 46612, 51385, 58265, 64769, 102770, 116530, 129538, 205540, 233060, 259076, 323845, 647690, 1295380, 2785067, 5570134, 11140268, 13925335, 27850670, 55701340]

約数ペア:

[(1, 55701340), (2, 27850670), (4, 13925335), (5, 11140268), (10, 5570134), (20, 2785067), (43, 1295380), (86, 647690), (172, 323845), (215, 259076), (239, 233060), (271, 205540), (430, 129538), (478, 116530), (542, 102770), (860, 64769), (956, 58265), (1084, 51385), (1195, 46612), (1355, 41108), (2390, 23306), (2710, 20554), (4780, 11653), (5420, 10277)]