804538540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{5657}}^1$

素因数の和:6226

約数の個数: 48

約数和(自身を含む): 1823143392

約数和(自身を除く): 1018604852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 547, 1094, 2188, 2735, 5470, 5657, 7111, 10940, 11314, 14222, 22628, 28285, 28444, 35555, 56570, 71110, 73541, 113140, 142220, 147082, 294164, 367705, 735410, 1470820, 3094379, 6188758, 12377516, 15471895, 30943790, 40226927, 61887580, 80453854, 160907708, 201134635, 402269270, 804538540]

約数ペア:

[(1, 804538540), (2, 402269270), (4, 201134635), (5, 160907708), (10, 80453854), (13, 61887580), (20, 40226927), (26, 30943790), (52, 15471895), (65, 12377516), (130, 6188758), (260, 3094379), (547, 1470820), (1094, 735410), (2188, 367705), (2735, 294164), (5470, 147082), (5657, 142220), (7111, 113140), (10940, 73541), (11314, 71110), (14222, 56570), (22628, 35555), (28285, 28444)]