639772367140

素因数分解:

$2^2\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{2833}}^1\times {\mathrm{7151}}^1$

素因数の和:11572

約数の個数: 48

約数和(自身を含む): 1345035444480

約数和(自身を除く): 705263077340

約数列:

[1, 2, 4, 5, 10, 20, 1579, 2833, 3158, 5666, 6316, 7151, 7895, 11332, 14165, 14302, 15790, 28330, 28604, 31580, 35755, 56660, 71510, 143020, 4473307, 8946614, 11291429, 17893228, 20258783, 22366535, 22582858, 40517566, 44733070, 45165716, 56457145, 81035132, 89466140, 101293915, 112914290, 202587830, 225828580, 405175660, 31988618357, 63977236714, 127954473428, 159943091785, 319886183570, 639772367140]

約数ペア:

[(1, 639772367140), (2, 319886183570), (4, 159943091785), (5, 127954473428), (10, 63977236714), (20, 31988618357), (1579, 405175660), (2833, 225828580), (3158, 202587830), (5666, 112914290), (6316, 101293915), (7151, 89466140), (7895, 81035132), (11332, 56457145), (14165, 45165716), (14302, 44733070), (15790, 40517566), (28330, 22582858), (28604, 22366535), (31580, 20258783), (35755, 17893228), (56660, 11291429), (71510, 8946614), (143020, 4473307)]