26312380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 57081024

約数和(自身を除く): 30768644

約数列:

[1, 2, 4, 5, 10, 20, 53, 103, 106, 206, 212, 241, 265, 412, 482, 515, 530, 964, 1030, 1060, 1205, 2060, 2410, 4820, 5459, 10918, 12773, 21836, 24823, 25546, 27295, 49646, 51092, 54590, 63865, 99292, 109180, 124115, 127730, 248230, 255460, 496460, 1315619, 2631238, 5262476, 6578095, 13156190, 26312380]

約数ペア:

[(1, 26312380), (2, 13156190), (4, 6578095), (5, 5262476), (10, 2631238), (20, 1315619), (53, 496460), (103, 255460), (106, 248230), (206, 127730), (212, 124115), (241, 109180), (265, 99292), (412, 63865), (482, 54590), (515, 51092), (530, 49646), (964, 27295), (1030, 25546), (1060, 24823), (1205, 21836), (2060, 12773), (2410, 10918), (4820, 5459)]