80322400

素因数分解:

$2^5\times 5^2\times {\mathrm{100403}}^1$

素因数の和:100423

約数の個数: 36

約数和(自身を含む): 196089012

約数和(自身を除く): 115766612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 100403, 200806, 401612, 502015, 803224, 1004030, 1606448, 2008060, 2510075, 3212896, 4016120, 5020150, 8032240, 10040300, 16064480, 20080600, 40161200, 80322400]

約数ペア:

[(1, 80322400), (2, 40161200), (4, 20080600), (5, 16064480), (8, 10040300), (10, 8032240), (16, 5020150), (20, 4016120), (25, 3212896), (32, 2510075), (40, 2008060), (50, 1606448), (80, 1004030), (100, 803224), (160, 502015), (200, 401612), (400, 200806), (800, 100403)]