2557100840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9132503}}^1$

素因数の和:9132521

約数の個数: 32

約数和(自身を含む): 6575402880

約数和(自身を除く): 4018302040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9132503, 18265006, 36530012, 45662515, 63927521, 73060024, 91325030, 127855042, 182650060, 255710084, 319637605, 365300120, 511420168, 639275210, 1278550420, 2557100840]

約数ペア:

[(1, 2557100840), (2, 1278550420), (4, 639275210), (5, 511420168), (7, 365300120), (8, 319637605), (10, 255710084), (14, 182650060), (20, 127855042), (28, 91325030), (35, 73060024), (40, 63927521), (56, 45662515), (70, 36530012), (140, 18265006), (280, 9132503)]