204899720

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{39103}}^1$

素因数の和:39245

約数の個数: 32

約数和(自身を含む): 464555520

約数和(自身を除く): 259655800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 39103, 78206, 156412, 195515, 312824, 391030, 782060, 1564120, 5122493, 10244986, 20489972, 25612465, 40979944, 51224930, 102449860, 204899720]

約数ペア:

[(1, 204899720), (2, 102449860), (4, 51224930), (5, 40979944), (8, 25612465), (10, 20489972), (20, 10244986), (40, 5122493), (131, 1564120), (262, 782060), (524, 391030), (655, 312824), (1048, 195515), (1310, 156412), (2620, 78206), (5240, 39103)]