39900490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{881}}^1$

素因数の和:1542

約数の個数: 32

約数和(自身を含む): 82301184

約数和(自身を除く): 42400694

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 647, 881, 1294, 1762, 3235, 4405, 4529, 6167, 6470, 8810, 9058, 12334, 22645, 30835, 45290, 61670, 570007, 1140014, 2850035, 3990049, 5700070, 7980098, 19950245, 39900490]

約数ペア:

[(1, 39900490), (2, 19950245), (5, 7980098), (7, 5700070), (10, 3990049), (14, 2850035), (35, 1140014), (70, 570007), (647, 61670), (881, 45290), (1294, 30835), (1762, 22645), (3235, 12334), (4405, 9058), (4529, 8810), (6167, 6470)]