51980128

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{39619}}^1$

素因数の和:39670

約数の個数: 24

約数和(自身を含む): 104834520

約数和(自身を除く): 52854392

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 39619, 79238, 158476, 316952, 633904, 1267808, 1624379, 3248758, 6497516, 12995032, 25990064, 51980128]

約数ペア:

[(1, 51980128), (2, 25990064), (4, 12995032), (8, 6497516), (16, 3248758), (32, 1624379), (41, 1267808), (82, 633904), (164, 316952), (328, 158476), (656, 79238), (1312, 39619)]