40802240

素因数分解:

$2^6\times 5^1\times {\mathrm{127507}}^1$

素因数の和:127524

約数の個数: 28

約数和(自身を含む): 97161096

約数和(自身を除く): 56358856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 127507, 255014, 510028, 637535, 1020056, 1275070, 2040112, 2550140, 4080224, 5100280, 8160448, 10200560, 20401120, 40802240]

約数ペア:

[(1, 40802240), (2, 20401120), (4, 10200560), (5, 8160448), (8, 5100280), (10, 4080224), (16, 2550140), (20, 2040112), (32, 1275070), (40, 1020056), (64, 637535), (80, 510028), (160, 255014), (320, 127507)]