126784520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109297}}^1$

素因数の和:109337

約数の個数: 32

約数和(自身を含む): 295104600

約数和(自身を除く): 168320080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 109297, 218594, 437188, 546485, 874376, 1092970, 2185940, 3169613, 4371880, 6339226, 12678452, 15848065, 25356904, 31696130, 63392260, 126784520]

約数ペア:

[(1, 126784520), (2, 63392260), (4, 31696130), (5, 25356904), (8, 15848065), (10, 12678452), (20, 6339226), (29, 4371880), (40, 3169613), (58, 2185940), (116, 1092970), (145, 874376), (232, 546485), (290, 437188), (580, 218594), (1160, 109297)]