20170087640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1\times {\mathrm{35339}}^1$

素因数の和:36120

約数の個数: 64

約数和(自身を含む): 47836224000

約数和(自身を除く): 27666136360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 751, 760, 1502, 3004, 3755, 6008, 7510, 14269, 15020, 28538, 30040, 35339, 57076, 70678, 71345, 114152, 141356, 142690, 176695, 282712, 285380, 353390, 570760, 671441, 706780, 1342882, 1413560, 2685764, 3357205, 5371528, 6714410, 13428820, 26539589, 26857640, 53079178, 106158356, 132697945, 212316712, 265395890, 504252191, 530791780, 1008504382, 1061583560, 2017008764, 2521260955, 4034017528, 5042521910, 10085043820, 20170087640]

約数ペア:

[(1, 20170087640), (2, 10085043820), (4, 5042521910), (5, 4034017528), (8, 2521260955), (10, 2017008764), (19, 1061583560), (20, 1008504382), (38, 530791780), (40, 504252191), (76, 265395890), (95, 212316712), (152, 132697945), (190, 106158356), (380, 53079178), (751, 26857640), (760, 26539589), (1502, 13428820), (3004, 6714410), (3755, 5371528), (6008, 3357205), (7510, 2685764), (14269, 1413560), (15020, 1342882), (28538, 706780), (30040, 671441), (35339, 570760), (57076, 353390), (70678, 285380), (71345, 282712), (114152, 176695), (141356, 142690)]