203921440

素因数分解:

$2^5\times 5^1\times {\mathrm{1274509}}^1$

素因数の和:1274524

約数の個数: 24

約数和(自身を含む): 481764780

約数和(自身を除く): 277843340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1274509, 2549018, 5098036, 6372545, 10196072, 12745090, 20392144, 25490180, 40784288, 50980360, 101960720, 203921440]

約数ペア:

[(1, 203921440), (2, 101960720), (4, 50980360), (5, 40784288), (8, 25490180), (10, 20392144), (16, 12745090), (20, 10196072), (32, 6372545), (40, 5098036), (80, 2549018), (160, 1274509)]