28256075

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 36911328

約数和(自身を除く): 8655253

約数列:

[1, 5, 23, 25, 115, 157, 313, 575, 785, 1565, 3611, 3925, 7199, 7825, 18055, 35995, 49141, 90275, 179975, 245705, 1130243, 1228525, 5651215, 28256075]

約数ペア:

[(1, 28256075), (5, 5651215), (23, 1228525), (25, 1130243), (115, 245705), (157, 179975), (313, 90275), (575, 49141), (785, 35995), (1565, 18055), (3611, 7825), (3925, 7199)]