25990064

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{39619}}^1$

素因数の和:39668

約数の個数: 20

約数和(自身を含む): 51585240

約数和(自身を除く): 25595176

約数列:

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

約数ペア:

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