12590800

素因数分解:

$2^4\times 5^2\times {\mathrm{31477}}^1$

素因数の和:31495

約数の個数: 30

約数和(自身を含む): 30250358

約数和(自身を除く): 17659558

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31477, 62954, 125908, 157385, 251816, 314770, 503632, 629540, 786925, 1259080, 1573850, 2518160, 3147700, 6295400, 12590800]

約数ペア:

[(1, 12590800), (2, 6295400), (4, 3147700), (5, 2518160), (8, 1573850), (10, 1259080), (16, 786925), (20, 629540), (25, 503632), (40, 314770), (50, 251816), (80, 157385), (100, 125908), (200, 62954), (400, 31477)]