25475216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{122477}}^1$

素因数の和:122498

約数の個数: 20

約数和(自身を含む): 53155452

約数和(自身を除く): 27680236

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 122477, 244954, 489908, 979816, 1592201, 1959632, 3184402, 6368804, 12737608, 25475216]

約数ペア:

[(1, 25475216), (2, 12737608), (4, 6368804), (8, 3184402), (13, 1959632), (16, 1592201), (26, 979816), (52, 489908), (104, 244954), (208, 122477)]