49864520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 117184320

約数和(自身を除く): 67319800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 53, 86, 106, 172, 212, 215, 265, 344, 424, 430, 530, 547, 860, 1060, 1094, 1720, 2120, 2188, 2279, 2735, 4376, 4558, 5470, 9116, 10940, 11395, 18232, 21880, 22790, 23521, 28991, 45580, 47042, 57982, 91160, 94084, 115964, 117605, 144955, 188168, 231928, 235210, 289910, 470420, 579820, 940840, 1159640, 1246613, 2493226, 4986452, 6233065, 9972904, 12466130, 24932260, 49864520]

約数ペア:

[(1, 49864520), (2, 24932260), (4, 12466130), (5, 9972904), (8, 6233065), (10, 4986452), (20, 2493226), (40, 1246613), (43, 1159640), (53, 940840), (86, 579820), (106, 470420), (172, 289910), (212, 235210), (215, 231928), (265, 188168), (344, 144955), (424, 117605), (430, 115964), (530, 94084), (547, 91160), (860, 57982), (1060, 47042), (1094, 45580), (1720, 28991), (2120, 23521), (2188, 22790), (2279, 21880), (2735, 18232), (4376, 11395), (4558, 10940), (5470, 9116)]