805260208

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{200513}}^1$

素因数の和:200772

約数の個数: 20

約数和(自身を含む): 1566415368

約数和(自身を除く): 761155160

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 200513, 401026, 802052, 1604104, 3208208, 50328763, 100657526, 201315052, 402630104, 805260208]

約数ペア:

[(1, 805260208), (2, 402630104), (4, 201315052), (8, 100657526), (16, 50328763), (251, 3208208), (502, 1604104), (1004, 802052), (2008, 401026), (4016, 200513)]