201120625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 278011008

約数和(自身を除く): 76890383

約数列:

[1, 5, 17, 23, 25, 85, 115, 125, 391, 425, 575, 625, 823, 1955, 2125, 2875, 4115, 9775, 10625, 13991, 14375, 18929, 20575, 48875, 69955, 94645, 102875, 244375, 321793, 349775, 473225, 514375, 1608965, 1748875, 2366125, 8044825, 8744375, 11830625, 40224125, 201120625]

約数ペア:

[(1, 201120625), (5, 40224125), (17, 11830625), (23, 8744375), (25, 8044825), (85, 2366125), (115, 1748875), (125, 1608965), (391, 514375), (425, 473225), (575, 349775), (625, 321793), (823, 244375), (1955, 102875), (2125, 94645), (2875, 69955), (4115, 48875), (9775, 20575), (10625, 18929), (13991, 14375)]