28225025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 36854784

約数和(自身を除く): 8629759

約数列:

[1, 5, 23, 25, 115, 191, 257, 575, 955, 1285, 4393, 4775, 5911, 6425, 21965, 29555, 49087, 109825, 147775, 245435, 1129001, 1227175, 5645005, 28225025]

約数ペア:

[(1, 28225025), (5, 5645005), (23, 1227175), (25, 1129001), (115, 245435), (191, 147775), (257, 109825), (575, 49087), (955, 29555), (1285, 21965), (4393, 6425), (4775, 5911)]