54705080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 128321280

約数和(自身を除く): 73616200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 281, 310, 314, 562, 620, 628, 785, 1124, 1240, 1256, 1405, 1570, 2248, 2810, 3140, 4867, 5620, 6280, 8711, 9734, 11240, 17422, 19468, 24335, 34844, 38936, 43555, 44117, 48670, 69688, 87110, 88234, 97340, 174220, 176468, 194680, 220585, 348440, 352936, 441170, 882340, 1367627, 1764680, 2735254, 5470508, 6838135, 10941016, 13676270, 27352540, 54705080]

約数ペア:

[(1, 54705080), (2, 27352540), (4, 13676270), (5, 10941016), (8, 6838135), (10, 5470508), (20, 2735254), (31, 1764680), (40, 1367627), (62, 882340), (124, 441170), (155, 352936), (157, 348440), (248, 220585), (281, 194680), (310, 176468), (314, 174220), (562, 97340), (620, 88234), (628, 87110), (785, 69688), (1124, 48670), (1240, 44117), (1256, 43555), (1405, 38936), (1570, 34844), (2248, 24335), (2810, 19468), (3140, 17422), (4867, 11240), (5620, 9734), (6280, 8711)]