25109968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{120721}}^1$

素因数の和:120742

約数の個数: 20

約数和(自身を含む): 52393348

約数和(自身を除く): 27283380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 120721, 241442, 482884, 965768, 1569373, 1931536, 3138746, 6277492, 12554984, 25109968]

約数ペア:

[(1, 25109968), (2, 12554984), (4, 6277492), (8, 3138746), (13, 1931536), (16, 1569373), (26, 965768), (52, 482884), (104, 241442), (208, 120721)]