40213120

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3307}}^1$

素因数の和:3345

約数の個数: 64

約数和(自身を含む): 101224800

約数和(自身を除く): 61011680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 3307, 6080, 6614, 12160, 13228, 16535, 26456, 33070, 52912, 62833, 66140, 105824, 125666, 132280, 211648, 251332, 264560, 314165, 423296, 502664, 529120, 628330, 1005328, 1058240, 1256660, 2010656, 2116480, 2513320, 4021312, 5026640, 8042624, 10053280, 20106560, 40213120]

約数ペア:

[(1, 40213120), (2, 20106560), (4, 10053280), (5, 8042624), (8, 5026640), (10, 4021312), (16, 2513320), (19, 2116480), (20, 2010656), (32, 1256660), (38, 1058240), (40, 1005328), (64, 628330), (76, 529120), (80, 502664), (95, 423296), (128, 314165), (152, 264560), (160, 251332), (190, 211648), (304, 132280), (320, 125666), (380, 105824), (608, 66140), (640, 62833), (760, 52912), (1216, 33070), (1520, 26456), (2432, 16535), (3040, 13228), (3307, 12160), (6080, 6614)]