81604690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{7549}}^1$

素因数の和:7626

約数の個数: 32

約数和(自身を含む): 156556800

約数和(自身を除く): 74952110

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 2162, 5405, 7549, 10810, 15098, 37745, 75490, 173627, 347254, 354803, 709606, 868135, 1736270, 1774015, 3548030, 8160469, 16320938, 40802345, 81604690]

約数ペア:

[(1, 81604690), (2, 40802345), (5, 16320938), (10, 8160469), (23, 3548030), (46, 1774015), (47, 1736270), (94, 868135), (115, 709606), (230, 354803), (235, 347254), (470, 173627), (1081, 75490), (2162, 37745), (5405, 15098), (7549, 10810)]