54904420

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{4243}}^1$

素因数の和:4899

約数の個数: 24

約数和(自身を含む): 115504704

約数和(自身を除く): 60600284

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 4243, 6470, 8486, 12940, 16972, 21215, 42430, 84860, 2745221, 5490442, 10980884, 13726105, 27452210, 54904420]

約数ペア:

[(1, 54904420), (2, 27452210), (4, 13726105), (5, 10980884), (10, 5490442), (20, 2745221), (647, 84860), (1294, 42430), (2588, 21215), (3235, 16972), (4243, 12940), (6470, 8486)]