129372125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2647}}^1$

素因数の和:2702

約数の個数: 32

約数和(自身を含む): 178454016

約数和(自身を除く): 49081891

約数列:

[1, 5, 17, 23, 25, 85, 115, 125, 391, 425, 575, 1955, 2125, 2647, 2875, 9775, 13235, 44999, 48875, 60881, 66175, 224995, 304405, 330875, 1034977, 1124975, 1522025, 5174885, 5624875, 7610125, 25874425, 129372125]

約数ペア:

[(1, 129372125), (5, 25874425), (17, 7610125), (23, 5624875), (25, 5174885), (85, 1522025), (115, 1124975), (125, 1034977), (391, 330875), (425, 304405), (575, 224995), (1955, 66175), (2125, 60881), (2647, 48875), (2875, 44999), (9775, 13235)]