3212500

素因数分解:

$2^2\times 5^5\times {\mathrm{257}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 7054236

約数和(自身を除く): 3841736

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 257, 500, 514, 625, 1028, 1250, 1285, 2500, 2570, 3125, 5140, 6250, 6425, 12500, 12850, 25700, 32125, 64250, 128500, 160625, 321250, 642500, 803125, 1606250, 3212500]

約数ペア:

[(1, 3212500), (2, 1606250), (4, 803125), (5, 642500), (10, 321250), (20, 160625), (25, 128500), (50, 64250), (100, 32125), (125, 25700), (250, 12850), (257, 12500), (500, 6425), (514, 6250), (625, 5140), (1028, 3125), (1250, 2570), (1285, 2500)]