27020980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{751}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 65189376

約数和(自身を除く): 38168396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 751, 1028, 1285, 1502, 1799, 2570, 3004, 3598, 3755, 5140, 5257, 7196, 7510, 8995, 10514, 15020, 17990, 21028, 26285, 35980, 52570, 105140, 193007, 386014, 772028, 965035, 1351049, 1930070, 2702098, 3860140, 5404196, 6755245, 13510490, 27020980]

約数ペア:

[(1, 27020980), (2, 13510490), (4, 6755245), (5, 5404196), (7, 3860140), (10, 2702098), (14, 1930070), (20, 1351049), (28, 965035), (35, 772028), (70, 386014), (140, 193007), (257, 105140), (514, 52570), (751, 35980), (1028, 26285), (1285, 21028), (1502, 17990), (1799, 15020), (2570, 10514), (3004, 8995), (3598, 7510), (3755, 7196), (5140, 5257)]