26566780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 57806784

約数和(自身を除く): 31240004

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 106, 142, 212, 265, 284, 353, 355, 530, 706, 710, 1060, 1412, 1420, 1765, 3530, 3763, 7060, 7526, 15052, 18709, 18815, 25063, 37418, 37630, 50126, 74836, 75260, 93545, 100252, 125315, 187090, 250630, 374180, 501260, 1328339, 2656678, 5313356, 6641695, 13283390, 26566780]

約数ペア:

[(1, 26566780), (2, 13283390), (4, 6641695), (5, 5313356), (10, 2656678), (20, 1328339), (53, 501260), (71, 374180), (106, 250630), (142, 187090), (212, 125315), (265, 100252), (284, 93545), (353, 75260), (355, 74836), (530, 50126), (706, 37630), (710, 37418), (1060, 25063), (1412, 18815), (1420, 18709), (1765, 15052), (3530, 7526), (3763, 7060)]