204570400

素因数分解:

$2^5\times 5^2\times {\mathrm{255713}}^1$

素因数の和:255733

約数の個数: 36

約数和(自身を含む): 499409442

約数和(自身を除く): 294839042

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 255713, 511426, 1022852, 1278565, 2045704, 2557130, 4091408, 5114260, 6392825, 8182816, 10228520, 12785650, 20457040, 25571300, 40914080, 51142600, 102285200, 204570400]

約数ペア:

[(1, 204570400), (2, 102285200), (4, 51142600), (5, 40914080), (8, 25571300), (10, 20457040), (16, 12785650), (20, 10228520), (25, 8182816), (32, 6392825), (40, 5114260), (50, 4091408), (80, 2557130), (100, 2045704), (160, 1278565), (200, 1022852), (400, 511426), (800, 255713)]