25604008

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 49533120

約数和(自身を除く): 23929112

約数列:

[1, 2, 4, 8, 41, 82, 164, 251, 311, 328, 502, 622, 1004, 1244, 2008, 2488, 10291, 12751, 20582, 25502, 41164, 51004, 78061, 82328, 102008, 156122, 312244, 624488, 3200501, 6401002, 12802004, 25604008]

約数ペア:

[(1, 25604008), (2, 12802004), (4, 6401002), (8, 3200501), (41, 624488), (82, 312244), (164, 156122), (251, 102008), (311, 82328), (328, 78061), (502, 51004), (622, 41164), (1004, 25502), (1244, 20582), (2008, 12751), (2488, 10291)]