28375675

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 37363680

約数和(自身を除く): 8988005

約数列:

[1, 5, 23, 25, 61, 115, 305, 575, 809, 1403, 1525, 4045, 7015, 18607, 20225, 35075, 49349, 93035, 246745, 465175, 1135027, 1233725, 5675135, 28375675]

約数ペア:

[(1, 28375675), (5, 5675135), (23, 1233725), (25, 1135027), (61, 465175), (115, 246745), (305, 93035), (575, 49349), (809, 35075), (1403, 20225), (1525, 18607), (4045, 7015)]