26560520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3271}}^1$

素因数の和:3318

約数の個数: 64

約数和(自身を含む): 70675200

約数和(自身を除く): 44114680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3271, 4060, 6542, 8120, 13084, 16355, 22897, 26168, 32710, 45794, 65420, 91588, 94859, 114485, 130840, 183176, 189718, 228970, 379436, 457940, 474295, 664013, 758872, 915880, 948590, 1328026, 1897180, 2656052, 3320065, 3794360, 5312104, 6640130, 13280260, 26560520]

約数ペア:

[(1, 26560520), (2, 13280260), (4, 6640130), (5, 5312104), (7, 3794360), (8, 3320065), (10, 2656052), (14, 1897180), (20, 1328026), (28, 948590), (29, 915880), (35, 758872), (40, 664013), (56, 474295), (58, 457940), (70, 379436), (116, 228970), (140, 189718), (145, 183176), (203, 130840), (232, 114485), (280, 94859), (290, 91588), (406, 65420), (580, 45794), (812, 32710), (1015, 26168), (1160, 22897), (1624, 16355), (2030, 13084), (3271, 8120), (4060, 6542)]