25605920

素因数分解:

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

素因数の和:8457

約数の個数: 48

約数和(自身を含む): 63685440

約数和(自身を除く): 38079520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 8423, 16846, 33692, 42115, 67384, 84230, 134768, 160037, 168460, 269536, 320074, 336920, 640148, 673840, 800185, 1280296, 1347680, 1600370, 2560592, 3200740, 5121184, 6401480, 12802960, 25605920]

約数ペア:

[(1, 25605920), (2, 12802960), (4, 6401480), (5, 5121184), (8, 3200740), (10, 2560592), (16, 1600370), (19, 1347680), (20, 1280296), (32, 800185), (38, 673840), (40, 640148), (76, 336920), (80, 320074), (95, 269536), (152, 168460), (160, 160037), (190, 134768), (304, 84230), (380, 67384), (608, 42115), (760, 33692), (1520, 16846), (3040, 8423)]