80430640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 194059008

約数和(自身を除く): 113628368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 103, 172, 206, 215, 227, 344, 412, 430, 454, 515, 688, 824, 860, 908, 1030, 1135, 1648, 1720, 1816, 2060, 2270, 3440, 3632, 4120, 4429, 4540, 8240, 8858, 9080, 9761, 17716, 18160, 19522, 22145, 23381, 35432, 39044, 44290, 46762, 48805, 70864, 78088, 88580, 93524, 97610, 116905, 156176, 177160, 187048, 195220, 233810, 354320, 374096, 390440, 467620, 780880, 935240, 1005383, 1870480, 2010766, 4021532, 5026915, 8043064, 10053830, 16086128, 20107660, 40215320, 80430640]

約数ペア:

[(1, 80430640), (2, 40215320), (4, 20107660), (5, 16086128), (8, 10053830), (10, 8043064), (16, 5026915), (20, 4021532), (40, 2010766), (43, 1870480), (80, 1005383), (86, 935240), (103, 780880), (172, 467620), (206, 390440), (215, 374096), (227, 354320), (344, 233810), (412, 195220), (430, 187048), (454, 177160), (515, 156176), (688, 116905), (824, 97610), (860, 93524), (908, 88580), (1030, 78088), (1135, 70864), (1648, 48805), (1720, 46762), (1816, 44290), (2060, 39044), (2270, 35432), (3440, 23381), (3632, 22145), (4120, 19522), (4429, 18160), (4540, 17716), (8240, 9761), (8858, 9080)]