64666864

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{10079}}^1$

素因数の和:10488

約数の個数: 20

約数和(自身を含む): 125616960

約数和(自身を除く): 60950096

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 10079, 20158, 40316, 80632, 161264, 4041679, 8083358, 16166716, 32333432, 64666864]

約数ペア:

[(1, 64666864), (2, 32333432), (4, 16166716), (8, 8083358), (16, 4041679), (401, 161264), (802, 80632), (1604, 40316), (3208, 20158), (6416, 10079)]