25864976

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{26501}}^1$

素因数の和:26570

約数の個数: 20

約数和(自身を含む): 50936844

約数和(自身を除く): 25071868

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 26501, 53002, 106004, 212008, 424016, 1616561, 3233122, 6466244, 12932488, 25864976]

約数ペア:

[(1, 25864976), (2, 12932488), (4, 6466244), (8, 3233122), (16, 1616561), (61, 424016), (122, 212008), (244, 106004), (488, 53002), (976, 26501)]