27814120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 65070720

約数和(自身を除く): 37256600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 103, 157, 172, 206, 215, 314, 344, 412, 430, 515, 628, 785, 824, 860, 1030, 1256, 1570, 1720, 2060, 3140, 4120, 4429, 6280, 6751, 8858, 13502, 16171, 17716, 22145, 27004, 32342, 33755, 35432, 44290, 54008, 64684, 67510, 80855, 88580, 129368, 135020, 161710, 177160, 270040, 323420, 646840, 695353, 1390706, 2781412, 3476765, 5562824, 6953530, 13907060, 27814120]

約数ペア:

[(1, 27814120), (2, 13907060), (4, 6953530), (5, 5562824), (8, 3476765), (10, 2781412), (20, 1390706), (40, 695353), (43, 646840), (86, 323420), (103, 270040), (157, 177160), (172, 161710), (206, 135020), (215, 129368), (314, 88580), (344, 80855), (412, 67510), (430, 64684), (515, 54008), (628, 44290), (785, 35432), (824, 33755), (860, 32342), (1030, 27004), (1256, 22145), (1570, 17716), (1720, 16171), (2060, 13502), (3140, 8858), (4120, 6751), (4429, 6280)]