1661200

素因数分解:

$2^4\times 5^2\times {\mathrm{4153}}^1$

素因数の和:4171

約数の個数: 30

約数和(自身を含む): 3991994

約数和(自身を除く): 2330794

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4153, 8306, 16612, 20765, 33224, 41530, 66448, 83060, 103825, 166120, 207650, 332240, 415300, 830600, 1661200]

約数ペア:

[(1, 1661200), (2, 830600), (4, 415300), (5, 332240), (8, 207650), (10, 166120), (16, 103825), (20, 83060), (25, 66448), (40, 41530), (50, 33224), (80, 20765), (100, 16612), (200, 8306), (400, 4153)]