64375945

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 82938240

約数和(自身を除く): 18562295

約数列:

[1, 5, 41, 43, 67, 109, 205, 215, 335, 545, 1763, 2747, 2881, 4469, 4687, 7303, 8815, 13735, 14405, 22345, 23435, 36515, 118121, 192167, 299423, 314029, 590605, 960835, 1497115, 1570145, 12875189, 64375945]

約数ペア:

[(1, 64375945), (5, 12875189), (41, 1570145), (43, 1497115), (67, 960835), (109, 590605), (205, 314029), (215, 299423), (335, 192167), (545, 118121), (1763, 36515), (2747, 23435), (2881, 22345), (4469, 14405), (4687, 13735), (7303, 8815)]