2017017680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{283289}}^1$

素因数の和:283391

約数の個数: 40

約数和(自身を含む): 4742274600

約数和(自身を除く): 2725256920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 283289, 566578, 1133156, 1416445, 2266312, 2832890, 4532624, 5665780, 11331560, 22663120, 25212721, 50425442, 100850884, 126063605, 201701768, 252127210, 403403536, 504254420, 1008508840, 2017017680]

約数ペア:

[(1, 2017017680), (2, 1008508840), (4, 504254420), (5, 403403536), (8, 252127210), (10, 201701768), (16, 126063605), (20, 100850884), (40, 50425442), (80, 25212721), (89, 22663120), (178, 11331560), (356, 5665780), (445, 4532624), (712, 2832890), (890, 2266312), (1424, 1416445), (1780, 1133156), (3560, 566578), (7120, 283289)]