25680085

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{313}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 31538160

約数和(自身を除く): 5858075

約数列:

[1, 5, 61, 269, 305, 313, 1345, 1565, 16409, 19093, 82045, 84197, 95465, 420985, 5136017, 25680085]

約数ペア:

[(1, 25680085), (5, 5136017), (61, 420985), (269, 95465), (305, 84197), (313, 82045), (1345, 19093), (1565, 16409)]