17804840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15349}}^1$

素因数の和:15389

約数の個数: 32

約数和(自身を含む): 41445000

約数和(自身を除く): 23640160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 15349, 30698, 61396, 76745, 122792, 153490, 306980, 445121, 613960, 890242, 1780484, 2225605, 3560968, 4451210, 8902420, 17804840]

約数ペア:

[(1, 17804840), (2, 8902420), (4, 4451210), (5, 3560968), (8, 2225605), (10, 1780484), (20, 890242), (29, 613960), (40, 445121), (58, 306980), (116, 153490), (145, 122792), (232, 76745), (290, 61396), (580, 30698), (1160, 15349)]