1557029360

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{75731}}^1$

素因数の和:76001

約数の個数: 40

約数和(自身を含む): 3634227216

約数和(自身を除く): 2077197856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 20560, 75731, 151462, 302924, 378655, 605848, 757310, 1211696, 1514620, 3029240, 6058480, 19462867, 38925734, 77851468, 97314335, 155702936, 194628670, 311405872, 389257340, 778514680, 1557029360]

約数ペア:

[(1, 1557029360), (2, 778514680), (4, 389257340), (5, 311405872), (8, 194628670), (10, 155702936), (16, 97314335), (20, 77851468), (40, 38925734), (80, 19462867), (257, 6058480), (514, 3029240), (1028, 1514620), (1285, 1211696), (2056, 757310), (2570, 605848), (4112, 378655), (5140, 302924), (10280, 151462), (20560, 75731)]