400082008

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{495151}}^1$

素因数の和:495258

約数の個数: 16

約数和(自身を含む): 757582560

約数和(自身を除く): 357500552

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 495151, 990302, 1980604, 3961208, 50010251, 100020502, 200041004, 400082008]

約数ペア:

[(1, 400082008), (2, 200041004), (4, 100020502), (8, 50010251), (101, 3961208), (202, 1980604), (404, 990302), (808, 495151)]