28271525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 37631520

約数和(自身を除く): 9359995

約数列:

[1, 5, 19, 25, 53, 95, 265, 475, 1007, 1123, 1325, 5035, 5615, 21337, 25175, 28075, 59519, 106685, 297595, 533425, 1130861, 1487975, 5654305, 28271525]

約数ペア:

[(1, 28271525), (5, 5654305), (19, 1487975), (25, 1130861), (53, 533425), (95, 297595), (265, 106685), (475, 59519), (1007, 28075), (1123, 25175), (1325, 21337), (5035, 5615)]