2726421640

素因数分解:

$2^3\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{42257}}^1$

素因数の和:43881

約数の個数: 32

約数和(自身を含む): 6138397080

約数和(自身を除く): 3411975440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1613, 3226, 6452, 8065, 12904, 16130, 32260, 42257, 64520, 84514, 169028, 211285, 338056, 422570, 845140, 1690280, 68160541, 136321082, 272642164, 340802705, 545284328, 681605410, 1363210820, 2726421640]

約数ペア:

[(1, 2726421640), (2, 1363210820), (4, 681605410), (5, 545284328), (8, 340802705), (10, 272642164), (20, 136321082), (40, 68160541), (1613, 1690280), (3226, 845140), (6452, 422570), (8065, 338056), (12904, 211285), (16130, 169028), (32260, 84514), (42257, 64520)]