31980250

素因数分解:

$2^1\times 5^3\times {\mathrm{127921}}^1$

素因数の和:127938

約数の個数: 16

約数和(自身を含む): 59867496

約数和(自身を除く): 27887246

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 127921, 255842, 639605, 1279210, 3198025, 6396050, 15990125, 31980250]

約数ペア:

[(1, 31980250), (2, 15990125), (5, 6396050), (10, 3198025), (25, 1279210), (50, 639605), (125, 255842), (250, 127921)]