4500400

素因数分解:

$2^4\times 5^2\times {\mathrm{11251}}^1$

素因数の和:11269

約数の個数: 30

約数和(自身を含む): 10813172

約数和(自身を除く): 6312772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 11251, 22502, 45004, 56255, 90008, 112510, 180016, 225020, 281275, 450040, 562550, 900080, 1125100, 2250200, 4500400]

約数ペア:

[(1, 4500400), (2, 2250200), (4, 1125100), (5, 900080), (8, 562550), (10, 450040), (16, 281275), (20, 225020), (25, 180016), (40, 112510), (50, 90008), (80, 56255), (100, 45004), (200, 22502), (400, 11251)]