51506720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16943}}^1$

素因数の和:16977

約数の個数: 48

約数和(自身を含む): 128096640

約数和(自身を除く): 76589920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 16943, 33886, 67772, 84715, 135544, 169430, 271088, 321917, 338860, 542176, 643834, 677720, 1287668, 1355440, 1609585, 2575336, 2710880, 3219170, 5150672, 6438340, 10301344, 12876680, 25753360, 51506720]

約数ペア:

[(1, 51506720), (2, 25753360), (4, 12876680), (5, 10301344), (8, 6438340), (10, 5150672), (16, 3219170), (19, 2710880), (20, 2575336), (32, 1609585), (38, 1355440), (40, 1287668), (76, 677720), (80, 643834), (95, 542176), (152, 338860), (160, 321917), (190, 271088), (304, 169430), (380, 135544), (608, 84715), (760, 67772), (1520, 33886), (3040, 16943)]