51394840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1061}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 133047360

約数和(自身を除く): 81652520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1061, 1211, 1384, 1730, 2122, 2422, 3460, 4244, 4844, 5305, 6055, 6920, 7427, 8488, 9688, 10610, 12110, 14854, 21220, 24220, 29708, 37135, 42440, 48440, 59416, 74270, 148540, 183553, 297080, 367106, 734212, 917765, 1284871, 1468424, 1835530, 2569742, 3671060, 5139484, 6424355, 7342120, 10278968, 12848710, 25697420, 51394840]

約数ペア:

[(1, 51394840), (2, 25697420), (4, 12848710), (5, 10278968), (7, 7342120), (8, 6424355), (10, 5139484), (14, 3671060), (20, 2569742), (28, 1835530), (35, 1468424), (40, 1284871), (56, 917765), (70, 734212), (140, 367106), (173, 297080), (280, 183553), (346, 148540), (692, 74270), (865, 59416), (1061, 48440), (1211, 42440), (1384, 37135), (1730, 29708), (2122, 24220), (2422, 21220), (3460, 14854), (4244, 12110), (4844, 10610), (5305, 9688), (6055, 8488), (6920, 7427)]