25515005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{641}}^1$

素因数の和:1084

約数の個数: 16

約数和(自身を含む): 32356800

約数和(自身を除く): 6841795

約数列:

[1, 5, 19, 95, 419, 641, 2095, 3205, 7961, 12179, 39805, 60895, 268579, 1342895, 5103001, 25515005]

約数ペア:

[(1, 25515005), (5, 5103001), (19, 1342895), (95, 268579), (419, 60895), (641, 39805), (2095, 12179), (3205, 7961)]