51889880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3943}}^1$

素因数の和:4008

約数の個数: 64

約数和(自身を含む): 136304640

約数和(自身を除く): 84414760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 3943, 6580, 7886, 13160, 15772, 19715, 27601, 31544, 39430, 55202, 78860, 110404, 138005, 157720, 185321, 220808, 276010, 370642, 552020, 741284, 926605, 1104040, 1297247, 1482568, 1853210, 2594494, 3706420, 5188988, 6486235, 7412840, 10377976, 12972470, 25944940, 51889880]

約数ペア:

[(1, 51889880), (2, 25944940), (4, 12972470), (5, 10377976), (7, 7412840), (8, 6486235), (10, 5188988), (14, 3706420), (20, 2594494), (28, 1853210), (35, 1482568), (40, 1297247), (47, 1104040), (56, 926605), (70, 741284), (94, 552020), (140, 370642), (188, 276010), (235, 220808), (280, 185321), (329, 157720), (376, 138005), (470, 110404), (658, 78860), (940, 55202), (1316, 39430), (1645, 31544), (1880, 27601), (2632, 19715), (3290, 15772), (3943, 13160), (6580, 7886)]