8076740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 20020224

約数和(自身を除く): 11943484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 1861, 2170, 3722, 4340, 7444, 9305, 13027, 18610, 26054, 37220, 52108, 57691, 65135, 115382, 130270, 230764, 260540, 288455, 403837, 576910, 807674, 1153820, 1615348, 2019185, 4038370, 8076740]

約数ペア:

[(1, 8076740), (2, 4038370), (4, 2019185), (5, 1615348), (7, 1153820), (10, 807674), (14, 576910), (20, 403837), (28, 288455), (31, 260540), (35, 230764), (62, 130270), (70, 115382), (124, 65135), (140, 57691), (155, 52108), (217, 37220), (310, 26054), (434, 18610), (620, 13027), (868, 9305), (1085, 7444), (1861, 4340), (2170, 3722)]