40221904

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{6269}}^1$

素因数の和:6678

約数の個数: 20

約数和(自身を含む): 78136740

約数和(自身を除く): 37914836

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6269, 6416, 12538, 25076, 50152, 100304, 2513869, 5027738, 10055476, 20110952, 40221904]

約数ペア:

[(1, 40221904), (2, 20110952), (4, 10055476), (8, 5027738), (16, 2513869), (401, 100304), (802, 50152), (1604, 25076), (3208, 12538), (6269, 6416)]