12802960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8423}}^1$

素因数の和:8455

約数の個数: 40

約数和(自身を含む): 31337280

約数和(自身を除く): 18534320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8423, 16846, 33692, 42115, 67384, 84230, 134768, 160037, 168460, 320074, 336920, 640148, 673840, 800185, 1280296, 1600370, 2560592, 3200740, 6401480, 12802960]

約数ペア:

[(1, 12802960), (2, 6401480), (4, 3200740), (5, 2560592), (8, 1600370), (10, 1280296), (16, 800185), (19, 673840), (20, 640148), (38, 336920), (40, 320074), (76, 168460), (80, 160037), (95, 134768), (152, 84230), (190, 67384), (304, 42115), (380, 33692), (760, 16846), (1520, 8423)]