155842640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47513}}^1$

素因数の和:47567

約数の個数: 40

約数和(自身を含む): 371179368

約数和(自身を除く): 215336728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 47513, 95026, 190052, 237565, 380104, 475130, 760208, 950260, 1900520, 1948033, 3801040, 3896066, 7792132, 9740165, 15584264, 19480330, 31168528, 38960660, 77921320, 155842640]

約数ペア:

[(1, 155842640), (2, 77921320), (4, 38960660), (5, 31168528), (8, 19480330), (10, 15584264), (16, 9740165), (20, 7792132), (40, 3896066), (41, 3801040), (80, 1948033), (82, 1900520), (164, 950260), (205, 760208), (328, 475130), (410, 380104), (656, 237565), (820, 190052), (1640, 95026), (3280, 47513)]