26503280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5431}}^1$

素因数の和:5505

約数の個数: 40

約数和(自身を含む): 62641824

約数和(自身を除く): 36138544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5431, 10862, 21724, 27155, 43448, 54310, 86896, 108620, 217240, 331291, 434480, 662582, 1325164, 1656455, 2650328, 3312910, 5300656, 6625820, 13251640, 26503280]

約数ペア:

[(1, 26503280), (2, 13251640), (4, 6625820), (5, 5300656), (8, 3312910), (10, 2650328), (16, 1656455), (20, 1325164), (40, 662582), (61, 434480), (80, 331291), (122, 217240), (244, 108620), (305, 86896), (488, 54310), (610, 43448), (976, 27155), (1220, 21724), (2440, 10862), (4880, 5431)]