25792390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1216

約数の個数: 32

約数和(自身を含む): 50299200

約数和(自身を除く): 24506810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 997, 1990, 1994, 2587, 4985, 5174, 9970, 12935, 12961, 25870, 25922, 64805, 129610, 198403, 396806, 992015, 1984030, 2579239, 5158478, 12896195, 25792390]

約数ペア:

[(1, 25792390), (2, 12896195), (5, 5158478), (10, 2579239), (13, 1984030), (26, 992015), (65, 396806), (130, 198403), (199, 129610), (398, 64805), (995, 25922), (997, 25870), (1990, 12961), (1994, 12935), (2587, 9970), (4985, 5174)]