42640900

素因数分解:

$2^2\times 5^2\times {\mathrm{653}}^2$

素因数の和:1320

約数の個数: 27

約数和(自身を含む): 92672671

約数和(自身を除く): 50031771

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 653, 1306, 2612, 3265, 6530, 13060, 16325, 32650, 65300, 426409, 852818, 1705636, 2132045, 4264090, 8528180, 10660225, 21320450, 42640900]

約数ペア:

[(1, 42640900), (2, 21320450), (4, 10660225), (5, 8528180), (10, 4264090), (20, 2132045), (25, 1705636), (50, 852818), (100, 426409), (653, 65300), (1306, 32650), (2612, 16325), (3265, 13060)]