25742405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 35368704

約数和(自身を除く): 9626299

約数列:

[1, 5, 13, 23, 65, 67, 115, 257, 299, 335, 871, 1285, 1495, 1541, 3341, 4355, 5911, 7705, 16705, 17219, 20033, 29555, 76843, 86095, 100165, 223847, 384215, 396037, 1119235, 1980185, 5148481, 25742405]

約数ペア:

[(1, 25742405), (5, 5148481), (13, 1980185), (23, 1119235), (65, 396037), (67, 384215), (115, 223847), (257, 100165), (299, 86095), (335, 76843), (871, 29555), (1285, 20033), (1495, 17219), (1541, 16705), (3341, 7705), (4355, 5911)]