55051640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{196613}}^1$

素因数の和:196631

約数の個数: 32

約数和(自身を含む): 141562080

約数和(自身を除く): 86510440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 196613, 393226, 786452, 983065, 1376291, 1572904, 1966130, 2752582, 3932260, 5505164, 6881455, 7864520, 11010328, 13762910, 27525820, 55051640]

約数ペア:

[(1, 55051640), (2, 27525820), (4, 13762910), (5, 11010328), (7, 7864520), (8, 6881455), (10, 5505164), (14, 3932260), (20, 2752582), (28, 1966130), (35, 1572904), (40, 1376291), (56, 983065), (70, 786452), (140, 393226), (280, 196613)]