12841700

素因数分解:

$2^2\times 5^2\times {\mathrm{281}}^1\times {\mathrm{457}}^1$

素因数の和:752

約数の個数: 36

約数和(自身を含む): 28026852

約数和(自身を除く): 15185152

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 281, 457, 562, 914, 1124, 1405, 1828, 2285, 2810, 4570, 5620, 7025, 9140, 11425, 14050, 22850, 28100, 45700, 128417, 256834, 513668, 642085, 1284170, 2568340, 3210425, 6420850, 12841700]

約数ペア:

[(1, 12841700), (2, 6420850), (4, 3210425), (5, 2568340), (10, 1284170), (20, 642085), (25, 513668), (50, 256834), (100, 128417), (281, 45700), (457, 28100), (562, 22850), (914, 14050), (1124, 11425), (1405, 9140), (1828, 7025), (2285, 5620), (2810, 4570)]