25511450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 49758720

約数和(自身を除く): 24247270

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 109, 151, 155, 218, 302, 310, 545, 755, 775, 1090, 1510, 1550, 2725, 3379, 3775, 4681, 5450, 6758, 7550, 9362, 16459, 16895, 23405, 32918, 33790, 46810, 82295, 84475, 117025, 164590, 168950, 234050, 411475, 510229, 822950, 1020458, 2551145, 5102290, 12755725, 25511450]

約数ペア:

[(1, 25511450), (2, 12755725), (5, 5102290), (10, 2551145), (25, 1020458), (31, 822950), (50, 510229), (62, 411475), (109, 234050), (151, 168950), (155, 164590), (218, 117025), (302, 84475), (310, 82295), (545, 46810), (755, 33790), (775, 32918), (1090, 23405), (1510, 16895), (1550, 16459), (2725, 9362), (3379, 7550), (3775, 6758), (4681, 5450)]