72290425

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 91869120

約数和(自身を除く): 19578695

約数列:

[1, 5, 25, 71, 139, 293, 355, 695, 1465, 1775, 3475, 7325, 9869, 20803, 40727, 49345, 104015, 203635, 246725, 520075, 1018175, 2891617, 14458085, 72290425]

約数ペア:

[(1, 72290425), (5, 14458085), (25, 2891617), (71, 1018175), (139, 520075), (293, 246725), (355, 203635), (695, 104015), (1465, 49345), (1775, 40727), (3475, 20803), (7325, 9869)]