26671970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1031}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 52012800

約数和(自身を除く): 25340830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1031, 1990, 2062, 2587, 5155, 5174, 10310, 12935, 13403, 25870, 26806, 67015, 134030, 205169, 410338, 1025845, 2051690, 2667197, 5334394, 13335985, 26671970]

約数ペア:

[(1, 26671970), (2, 13335985), (5, 5334394), (10, 2667197), (13, 2051690), (26, 1025845), (65, 410338), (130, 205169), (199, 134030), (398, 67015), (995, 26806), (1031, 25870), (1990, 13403), (2062, 12935), (2587, 10310), (5155, 5174)]