42820475

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:767

約数の個数: 24

約数和(自身を含む): 55307472

約数和(自身を除く): 12486997

約数列:

[1, 5, 25, 43, 61, 215, 305, 653, 1075, 1525, 2623, 3265, 13115, 16325, 28079, 39833, 65575, 140395, 199165, 701975, 995825, 1712819, 8564095, 42820475]

約数ペア:

[(1, 42820475), (5, 8564095), (25, 1712819), (43, 995825), (61, 701975), (215, 199165), (305, 140395), (653, 65575), (1075, 39833), (1525, 28079), (2623, 16325), (3265, 13115)]