128504920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{3343}}^1$

素因数の和:3416

約数の個数: 48

約数和(自身を含む): 298853280

約数和(自身を除く): 170348360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3343, 3844, 4805, 6686, 7688, 9610, 13372, 16715, 19220, 26744, 33430, 38440, 66860, 103633, 133720, 207266, 414532, 518165, 829064, 1036330, 2072660, 3212623, 4145320, 6425246, 12850492, 16063115, 25700984, 32126230, 64252460, 128504920]

約数ペア:

[(1, 128504920), (2, 64252460), (4, 32126230), (5, 25700984), (8, 16063115), (10, 12850492), (20, 6425246), (31, 4145320), (40, 3212623), (62, 2072660), (124, 1036330), (155, 829064), (248, 518165), (310, 414532), (620, 207266), (961, 133720), (1240, 103633), (1922, 66860), (3343, 38440), (3844, 33430), (4805, 26744), (6686, 19220), (7688, 16715), (9610, 13372)]