205121723300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157785941}}^1$

素因数の和:157785968

約数の個数: 36

約数和(自身を含む): 479353691796

約数和(自身を除く): 274231968496

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 157785941, 315571882, 631143764, 788929705, 1577859410, 2051217233, 3155718820, 3944648525, 4102434466, 7889297050, 8204868932, 10256086165, 15778594100, 20512172330, 41024344660, 51280430825, 102560861650, 205121723300]

約数ペア:

[(1, 205121723300), (2, 102560861650), (4, 51280430825), (5, 41024344660), (10, 20512172330), (13, 15778594100), (20, 10256086165), (25, 8204868932), (26, 7889297050), (50, 4102434466), (52, 3944648525), (65, 3155718820), (100, 2051217233), (130, 1577859410), (260, 788929705), (325, 631143764), (650, 315571882), (1300, 157785941)]