12487600

素因数分解:

$2^4\times 5^2\times {\mathrm{31219}}^1$

素因数の和:31237

約数の個数: 30

約数和(自身を含む): 30002420

約数和(自身を除く): 17514820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31219, 62438, 124876, 156095, 249752, 312190, 499504, 624380, 780475, 1248760, 1560950, 2497520, 3121900, 6243800, 12487600]

約数ペア:

[(1, 12487600), (2, 6243800), (4, 3121900), (5, 2497520), (8, 1560950), (10, 1248760), (16, 780475), (20, 624380), (25, 499504), (40, 312190), (50, 249752), (80, 156095), (100, 124876), (200, 62438), (400, 31219)]