78428320

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4759}}^1$

素因数の和:4877

約数の個数: 48

約数和(自身を含む): 187125120

約数和(自身を除く): 108696800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 4759, 8240, 9518, 16480, 19036, 23795, 38072, 47590, 76144, 95180, 152288, 190360, 380720, 490177, 761440, 980354, 1960708, 2450885, 3921416, 4901770, 7842832, 9803540, 15685664, 19607080, 39214160, 78428320]

約数ペア:

[(1, 78428320), (2, 39214160), (4, 19607080), (5, 15685664), (8, 9803540), (10, 7842832), (16, 4901770), (20, 3921416), (32, 2450885), (40, 1960708), (80, 980354), (103, 761440), (160, 490177), (206, 380720), (412, 190360), (515, 152288), (824, 95180), (1030, 76144), (1648, 47590), (2060, 38072), (3296, 23795), (4120, 19036), (4759, 16480), (8240, 9518)]