25119536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{120767}}^1$

素因数の和:120788

約数の個数: 20

約数和(自身を含む): 52413312

約数和(自身を除く): 27293776

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 120767, 241534, 483068, 966136, 1569971, 1932272, 3139942, 6279884, 12559768, 25119536]

約数ペア:

[(1, 25119536), (2, 12559768), (4, 6279884), (8, 3139942), (13, 1932272), (16, 1569971), (26, 966136), (52, 483068), (104, 241534), (208, 120767)]